22315640

素因数分解:

$2^3\times 5^1\times {\mathrm{557891}}^1$

素因数の和:557902

約数の個数: 16

約数和(自身を含む): 50210280

約数和(自身を除く): 27894640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557891, 1115782, 2231564, 2789455, 4463128, 5578910, 11157820, 22315640]

約数ペア:

[(1, 22315640), (2, 11157820), (4, 5578910), (5, 4463128), (8, 2789455), (10, 2231564), (20, 1115782), (40, 557891)]