86861120

素因数分解:

$2^6\times 5^1\times {\mathrm{521}}^2$

素因数の和:1059

約数の個数: 42

約数和(自身を含む): 207235806

約数和(自身を除く): 120374686

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 521, 1042, 2084, 2605, 4168, 5210, 8336, 10420, 16672, 20840, 33344, 41680, 83360, 166720, 271441, 542882, 1085764, 1357205, 2171528, 2714410, 4343056, 5428820, 8686112, 10857640, 17372224, 21715280, 43430560, 86861120]

約数ペア:

[(1, 86861120), (2, 43430560), (4, 21715280), (5, 17372224), (8, 10857640), (10, 8686112), (16, 5428820), (20, 4343056), (32, 2714410), (40, 2171528), (64, 1357205), (80, 1085764), (160, 542882), (320, 271441), (521, 166720), (1042, 83360), (2084, 41680), (2605, 33344), (4168, 20840), (5210, 16672), (8336, 10420)]