51056080

素因数分解:

$2^4\times 5^1\times {\mathrm{638201}}^1$

素因数の和:638214

約数の個数: 20

約数和(自身を含む): 118705572

約数和(自身を除く): 67649492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 638201, 1276402, 2552804, 3191005, 5105608, 6382010, 10211216, 12764020, 25528040, 51056080]

約数ペア:

[(1, 51056080), (2, 25528040), (4, 12764020), (5, 10211216), (8, 6382010), (10, 5105608), (16, 3191005), (20, 2552804), (40, 1276402), (80, 638201)]