80456080

素因数分解:

$2^4\times 5^1\times {\mathrm{1005701}}^1$

素因数の和:1005714

約数の個数: 20

約数和(自身を含む): 187060572

約数和(自身を除く): 106604492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1005701, 2011402, 4022804, 5028505, 8045608, 10057010, 16091216, 20114020, 40228040, 80456080]

約数ペア:

[(1, 80456080), (2, 40228040), (4, 20114020), (5, 16091216), (8, 10057010), (10, 8045608), (16, 5028505), (20, 4022804), (40, 2011402), (80, 1005701)]