9907640

素因数分解:

$2^3\times 5^1\times {\mathrm{247691}}^1$

素因数の和:247702

約数の個数: 16

約数和(自身を含む): 22292280

約数和(自身を除く): 12384640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 247691, 495382, 990764, 1238455, 1981528, 2476910, 4953820, 9907640]

約数ペア:

[(1, 9907640), (2, 4953820), (4, 2476910), (5, 1981528), (8, 1238455), (10, 990764), (20, 495382), (40, 247691)]