71635240

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{10987}}^1$

素因数の和:11161

約数の個数: 32

約数和(自身を含む): 162182880

約数和(自身を除く): 90547640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 10987, 21974, 43948, 54935, 87896, 109870, 219740, 439480, 1790881, 3581762, 7163524, 8954405, 14327048, 17908810, 35817620, 71635240]

約数ペア:

[(1, 71635240), (2, 35817620), (4, 17908810), (5, 14327048), (8, 8954405), (10, 7163524), (20, 3581762), (40, 1790881), (163, 439480), (326, 219740), (652, 109870), (815, 87896), (1304, 54935), (1630, 43948), (3260, 21974), (6520, 10987)]