72816080

素因数分解:

$2^4\times 5^1\times {\mathrm{910201}}^1$

素因数の和:910214

約数の個数: 20

約数和(自身を含む): 169297572

約数和(自身を除く): 96481492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 910201, 1820402, 3640804, 4551005, 7281608, 9102010, 14563216, 18204020, 36408040, 72816080]

約数ペア:

[(1, 72816080), (2, 36408040), (4, 18204020), (5, 14563216), (8, 9102010), (10, 7281608), (16, 4551005), (20, 3640804), (40, 1820402), (80, 910201)]