2015256080

素因数分解:

$2^4\times 5^1\times {\mathrm{25190701}}^1$

素因数の和:25190714

約数の個数: 20

約数和(自身を含む): 4685470572

約数和(自身を除く): 2670214492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25190701, 50381402, 100762804, 125953505, 201525608, 251907010, 403051216, 503814020, 1007628040, 2015256080]

約数ペア:

[(1, 2015256080), (2, 1007628040), (4, 503814020), (5, 403051216), (8, 251907010), (10, 201525608), (16, 125953505), (20, 100762804), (40, 50381402), (80, 25190701)]