80692180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{51071}}^1$

素因数の和:51159

約数の個数: 24

約数和(自身を含む): 171601920

約数和(自身を除く): 90909740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 51071, 102142, 204284, 255355, 510710, 1021420, 4034609, 8069218, 16138436, 20173045, 40346090, 80692180]

約数ペア:

[(1, 80692180), (2, 40346090), (4, 20173045), (5, 16138436), (10, 8069218), (20, 4034609), (79, 1021420), (158, 510710), (316, 255355), (395, 204284), (790, 102142), (1580, 51071)]