64908160

素因数分解:

$2^7\times 5^1\times {\mathrm{101419}}^1$

素因数の和:101438

約数の個数: 32

約数和(自身を含む): 155172600

約数和(自身を除く): 90264440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 101419, 202838, 405676, 507095, 811352, 1014190, 1622704, 2028380, 3245408, 4056760, 6490816, 8113520, 12981632, 16227040, 32454080, 64908160]

約数ペア:

[(1, 64908160), (2, 32454080), (4, 16227040), (5, 12981632), (8, 8113520), (10, 6490816), (16, 4056760), (20, 3245408), (32, 2028380), (40, 1622704), (64, 1014190), (80, 811352), (128, 507095), (160, 405676), (320, 202838), (640, 101419)]