87828080

素因数分解:

$2^4\times 5^1\times {\mathrm{1097851}}^1$

素因数の和:1097864

約数の個数: 20

約数和(自身を含む): 204200472

約数和(自身を除く): 116372392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097851, 2195702, 4391404, 5489255, 8782808, 10978510, 17565616, 21957020, 43914040, 87828080]

約数ペア:

[(1, 87828080), (2, 43914040), (4, 21957020), (5, 17565616), (8, 10978510), (10, 8782808), (16, 5489255), (20, 4391404), (40, 2195702), (80, 1097851)]