87810160

素因数分解:

$2^4\times 5^1\times {\mathrm{1097627}}^1$

素因数の和:1097640

約数の個数: 20

約数和(自身を含む): 204158808

約数和(自身を除く): 116348648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097627, 2195254, 4390508, 5488135, 8781016, 10976270, 17562032, 21952540, 43905080, 87810160]

約数ペア:

[(1, 87810160), (2, 43905080), (4, 21952540), (5, 17562032), (8, 10976270), (10, 8781016), (16, 5488135), (20, 4390508), (40, 2195254), (80, 1097627)]