87817360

素因数分解:

$2^4\times 5^1\times {\mathrm{1097717}}^1$

素因数の和:1097730

約数の個数: 20

約数和(自身を含む): 204175548

約数和(自身を除く): 116358188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097717, 2195434, 4390868, 5488585, 8781736, 10977170, 17563472, 21954340, 43908680, 87817360]

約数ペア:

[(1, 87817360), (2, 43908680), (4, 21954340), (5, 17563472), (8, 10977170), (10, 8781736), (16, 5488585), (20, 4390868), (40, 2195434), (80, 1097717)]