8621380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25357}}^1$

素因数の和:25383

約数の個数: 24

約数和(自身を含む): 19170648

約数和(自身を除く): 10549268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 25357, 50714, 101428, 126785, 253570, 431069, 507140, 862138, 1724276, 2155345, 4310690, 8621380]

約数ペア:

[(1, 8621380), (2, 4310690), (4, 2155345), (5, 1724276), (10, 862138), (17, 507140), (20, 431069), (34, 253570), (68, 126785), (85, 101428), (170, 50714), (340, 25357)]