531099640

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{81457}}^1$

素因数の和:81631

約数の個数: 32

約数和(自身を含む): 1202320080

約数和(自身を除く): 671220440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 81457, 162914, 325828, 407285, 651656, 814570, 1629140, 3258280, 13277491, 26554982, 53109964, 66387455, 106219928, 132774910, 265549820, 531099640]

約数ペア:

[(1, 531099640), (2, 265549820), (4, 132774910), (5, 106219928), (8, 66387455), (10, 53109964), (20, 26554982), (40, 13277491), (163, 3258280), (326, 1629140), (652, 814570), (815, 651656), (1304, 407285), (1630, 325828), (3260, 162914), (6520, 81457)]