812668040

素因数分解:

$2^3\times 5^1\times {\mathrm{20316701}}^1$

素因数の和:20316712

約数の個数: 16

約数和(自身を含む): 1828503180

約数和(自身を除く): 1015835140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20316701, 40633402, 81266804, 101583505, 162533608, 203167010, 406334020, 812668040]

約数ペア:

[(1, 812668040), (2, 406334020), (4, 203167010), (5, 162533608), (8, 101583505), (10, 81266804), (20, 40633402), (40, 20316701)]