8940580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40639}}^1$

素因数の和:40659

約数の個数: 24

約数和(自身を含む): 20482560

約数和(自身を除く): 11541980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 40639, 81278, 162556, 203195, 406390, 447029, 812780, 894058, 1788116, 2235145, 4470290, 8940580]

約数ペア:

[(1, 8940580), (2, 4470290), (4, 2235145), (5, 1788116), (10, 894058), (11, 812780), (20, 447029), (22, 406390), (44, 203195), (55, 162556), (110, 81278), (220, 40639)]