31668080

素因数分解:

$2^4\times 5^1\times {\mathrm{395851}}^1$

素因数の和:395864

約数の個数: 20

約数和(自身を含む): 73628472

約数和(自身を除く): 41960392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 395851, 791702, 1583404, 1979255, 3166808, 3958510, 6333616, 7917020, 15834040, 31668080]

約数ペア:

[(1, 31668080), (2, 15834040), (4, 7917020), (5, 6333616), (8, 3958510), (10, 3166808), (16, 1979255), (20, 1583404), (40, 791702), (80, 395851)]