8010140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2551}}^1$

素因数の和:2717

約数の個数: 24

約数和(自身を含む): 16935072

約数和(自身を除く): 8924932

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 2551, 3140, 5102, 10204, 12755, 25510, 51020, 400507, 801014, 1602028, 2002535, 4005070, 8010140]

約数ペア:

[(1, 8010140), (2, 4005070), (4, 2002535), (5, 1602028), (10, 801014), (20, 400507), (157, 51020), (314, 25510), (628, 12755), (785, 10204), (1570, 5102), (2551, 3140)]