89710960

素因数分解:

$2^4\times 5^1\times {\mathrm{1121387}}^1$

素因数の和:1121400

約数の個数: 20

約数和(自身を含む): 208578168

約数和(自身を除く): 118867208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1121387, 2242774, 4485548, 5606935, 8971096, 11213870, 17942192, 22427740, 44855480, 89710960]

約数ペア:

[(1, 89710960), (2, 44855480), (4, 22427740), (5, 17942192), (8, 11213870), (10, 8971096), (16, 5606935), (20, 4485548), (40, 2242774), (80, 1121387)]