80409776

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{18143}}^1$

素因数の和:18428

約数の個数: 20

約数和(自身を含む): 156364992

約数和(自身を除く): 75955216

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 18143, 36286, 72572, 145144, 290288, 5025611, 10051222, 20102444, 40204888, 80409776]

約数ペア:

[(1, 80409776), (2, 40204888), (4, 20102444), (8, 10051222), (16, 5025611), (277, 290288), (554, 145144), (1108, 72572), (2216, 36286), (4432, 18143)]