39219640

素因数分解:

$2^3\times 5^1\times {\mathrm{980491}}^1$

素因数の和:980502

約数の個数: 16

約数和(自身を含む): 88244280

約数和(自身を除く): 49024640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 980491, 1960982, 3921964, 4902455, 7843928, 9804910, 19609820, 39219640]

約数ペア:

[(1, 39219640), (2, 19609820), (4, 9804910), (5, 7843928), (8, 4902455), (10, 3921964), (20, 1960982), (40, 980491)]