19665200

素因数分解:

$2^4\times 5^2\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:462

約数の個数: 60

約数和(自身を含む): 47673288

約数和(自身を除く): 28008088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 211, 233, 400, 422, 466, 844, 932, 1055, 1165, 1688, 1864, 2110, 2330, 3376, 3728, 4220, 4660, 5275, 5825, 8440, 9320, 10550, 11650, 16880, 18640, 21100, 23300, 42200, 46600, 49163, 84400, 93200, 98326, 196652, 245815, 393304, 491630, 786608, 983260, 1229075, 1966520, 2458150, 3933040, 4916300, 9832600, 19665200]

約数ペア:

[(1, 19665200), (2, 9832600), (4, 4916300), (5, 3933040), (8, 2458150), (10, 1966520), (16, 1229075), (20, 983260), (25, 786608), (40, 491630), (50, 393304), (80, 245815), (100, 196652), (200, 98326), (211, 93200), (233, 84400), (400, 49163), (422, 46600), (466, 42200), (844, 23300), (932, 21100), (1055, 18640), (1165, 16880), (1688, 11650), (1864, 10550), (2110, 9320), (2330, 8440), (3376, 5825), (3728, 5275), (4220, 4660)]