28656080

素因数分解:

$2^4\times 5^1\times {\mathrm{358201}}^1$

素因数の和:358214

約数の個数: 20

約数和(自身を含む): 66625572

約数和(自身を除く): 37969492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358201, 716402, 1432804, 1791005, 2865608, 3582010, 5731216, 7164020, 14328040, 28656080]

約数ペア:

[(1, 28656080), (2, 14328040), (4, 7164020), (5, 5731216), (8, 3582010), (10, 2865608), (16, 1791005), (20, 1432804), (40, 716402), (80, 358201)]