82808680

素因数分解:

$2^3\times 5^1\times {\mathrm{2070217}}^1$

素因数の和:2070228

約数の個数: 16

約数和(自身を含む): 186319620

約数和(自身を除く): 103510940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2070217, 4140434, 8280868, 10351085, 16561736, 20702170, 41404340, 82808680]

約数ペア:

[(1, 82808680), (2, 41404340), (4, 20702170), (5, 16561736), (8, 10351085), (10, 8280868), (20, 4140434), (40, 2070217)]