51040040

素因数分解:

$2^3\times 5^1\times {\mathrm{1276001}}^1$

素因数の和:1276012

約数の個数: 16

約数和(自身を含む): 114840180

約数和(自身を除く): 63800140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1276001, 2552002, 5104004, 6380005, 10208008, 12760010, 25520020, 51040040]

約数ペア:

[(1, 51040040), (2, 25520020), (4, 12760010), (5, 10208008), (8, 6380005), (10, 5104004), (20, 2552002), (40, 1276001)]