13579960

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1609}}^1$

素因数の和:1831

約数の個数: 32

約数和(自身を含む): 30718800

約数和(自身を除く): 17138840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1609, 1688, 2110, 3218, 4220, 6436, 8045, 8440, 12872, 16090, 32180, 64360, 339499, 678998, 1357996, 1697495, 2715992, 3394990, 6789980, 13579960]

約数ペア:

[(1, 13579960), (2, 6789980), (4, 3394990), (5, 2715992), (8, 1697495), (10, 1357996), (20, 678998), (40, 339499), (211, 64360), (422, 32180), (844, 16090), (1055, 12872), (1609, 8440), (1688, 8045), (2110, 6436), (3218, 4220)]