64885160

素因数分解:

$2^3\times 5^1\times {\mathrm{733}}^1\times {\mathrm{2213}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 146256840

約数和(自身を除く): 81371680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 733, 1466, 2213, 2932, 3665, 4426, 5864, 7330, 8852, 11065, 14660, 17704, 22130, 29320, 44260, 88520, 1622129, 3244258, 6488516, 8110645, 12977032, 16221290, 32442580, 64885160]

約数ペア:

[(1, 64885160), (2, 32442580), (4, 16221290), (5, 12977032), (8, 8110645), (10, 6488516), (20, 3244258), (40, 1622129), (733, 88520), (1466, 44260), (2213, 29320), (2932, 22130), (3665, 17704), (4426, 14660), (5864, 11065), (7330, 8852)]