408336080

素因数分解:

$2^4\times 5^1\times {\mathrm{5104201}}^1$

素因数の和:5104214

約数の個数: 20

約数和(自身を含む): 949381572

約数和(自身を除く): 541045492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5104201, 10208402, 20416804, 25521005, 40833608, 51042010, 81667216, 102084020, 204168040, 408336080]

約数ペア:

[(1, 408336080), (2, 204168040), (4, 102084020), (5, 81667216), (8, 51042010), (10, 40833608), (16, 25521005), (20, 20416804), (40, 10208402), (80, 5104201)]