4080040

素因数分解:

$2^3\times 5^1\times {\mathrm{102001}}^1$

素因数の和:102012

約数の個数: 16

約数和(自身を含む): 9180180

約数和(自身を除く): 5100140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 102001, 204002, 408004, 510005, 816008, 1020010, 2040020, 4080040]

約数ペア:

[(1, 4080040), (2, 2040020), (4, 1020010), (5, 816008), (8, 510005), (10, 408004), (20, 204002), (40, 102001)]