1616080

素因数分解:

$2^4\times 5^1\times {\mathrm{20201}}^1$

素因数の和:20214

約数の個数: 20

約数和(自身を含む): 3757572

約数和(自身を除く): 2141492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20201, 40402, 80804, 101005, 161608, 202010, 323216, 404020, 808040, 1616080]

約数ペア:

[(1, 1616080), (2, 808040), (4, 404020), (5, 323216), (8, 202010), (10, 161608), (16, 101005), (20, 80804), (40, 40402), (80, 20201)]