88641620

素因数分解:

$2^2\times 5^1\times {\mathrm{4432081}}^1$

素因数の和:4432090

約数の個数: 12

約数和(自身を含む): 186147444

約数和(自身を除く): 97505824

約数列:

[1, 2, 4, 5, 10, 20, 4432081, 8864162, 17728324, 22160405, 44320810, 88641620]

約数ペア:

[(1, 88641620), (2, 44320810), (4, 22160405), (5, 17728324), (10, 8864162), (20, 4432081)]