85868080

素因数分解:

$2^4\times 5^1\times {\mathrm{1073351}}^1$

素因数の和:1073364

約数の個数: 20

約数和(自身を含む): 199643472

約数和(自身を除く): 113775392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1073351, 2146702, 4293404, 5366755, 8586808, 10733510, 17173616, 21467020, 42934040, 85868080]

約数ペア:

[(1, 85868080), (2, 42934040), (4, 21467020), (5, 17173616), (8, 10733510), (10, 8586808), (16, 5366755), (20, 4293404), (40, 2146702), (80, 1073351)]