64124080

素因数分解:

$2^4\times 5^1\times {\mathrm{801551}}^1$

素因数の和:801564

約数の個数: 20

約数和(自身を含む): 149088672

約数和(自身を除く): 84964592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 801551, 1603102, 3206204, 4007755, 6412408, 8015510, 12824816, 16031020, 32062040, 64124080]

約数ペア:

[(1, 64124080), (2, 32062040), (4, 16031020), (5, 12824816), (8, 8015510), (10, 6412408), (16, 4007755), (20, 3206204), (40, 1603102), (80, 801551)]