4080970090

素因数分解:

$2^1\times 5^1\times {\mathrm{408097009}}^1$

素因数の和:408097016

約数の個数: 8

約数和(自身を含む): 7345746180

約数和(自身を除く): 3264776090

約数列:

[1, 2, 5, 10, 408097009, 816194018, 2040485045, 4080970090]

約数ペア:

[(1, 4080970090), (2, 2040485045), (5, 816194018), (10, 408097009)]