85581260

素因数分解:

$2^2\times 5^1\times {\mathrm{4279063}}^1$

素因数の和:4279072

約数の個数: 12

約数和(自身を含む): 179720688

約数和(自身を除く): 94139428

約数列:

[1, 2, 4, 5, 10, 20, 4279063, 8558126, 17116252, 21395315, 42790630, 85581260]

約数ペア:

[(1, 85581260), (2, 42790630), (4, 21395315), (5, 17116252), (10, 8558126), (20, 4279063)]