68457640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{100673}}^1$

素因数の和:100701

約数の個数: 32

約数和(自身を含む): 163091880

約数和(自身を除く): 94634240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 100673, 201346, 402692, 503365, 805384, 1006730, 1711441, 2013460, 3422882, 4026920, 6845764, 8557205, 13691528, 17114410, 34228820, 68457640]

約数ペア:

[(1, 68457640), (2, 34228820), (4, 17114410), (5, 13691528), (8, 8557205), (10, 6845764), (17, 4026920), (20, 3422882), (34, 2013460), (40, 1711441), (68, 1006730), (85, 805384), (136, 503365), (170, 402692), (340, 201346), (680, 100673)]