Sum of divisors: Difference between revisions
→{{header|Racket}}
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This only takes one line.
<lang rsplus>sapply(1:100, function(n) sum(c(Filter(function(x) n %% x == 0, seq_len(n %/% 2)), n)))</lang>
=={{header|Racket}}==
<lang racket>#lang racket/base
(require math/number-theory)
(define (sum-of-divisors n) (apply + (divisors n)))
(displayln (for/list ((n (in-range 1 101))) (sum-of-divisors n)))</lang>
{{out}}
<pre>(1 3 4 7 6 12 8 15 13 18 12 28 14 24 24 31 18 39 20 42 32 36 24 60 31 42 40 56 30 72 32 63 48 54 48 91 38 60 56 90 42 96 44 84 78 72 48 124 57 93 72 98 54 120 72 120 80 90 60 168 62 96 104 127 84 144 68 126 96 144 72 195 74 114 124 140 96 168 80 186 121 126 84 224 108 132 120 180 90 234 112 168 128 144 120 252 98 171 156 217)</pre>
=={{header|Raku}}==
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