90831080

素因数分解:

$2^3\times 5^1\times {\mathrm{2270777}}^1$

素因数の和:2270788

約数の個数: 16

約数和(自身を含む): 204370020

約数和(自身を除く): 113538940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2270777, 4541554, 9083108, 11353885, 18166216, 22707770, 45415540, 90831080]

約数ペア:

[(1, 90831080), (2, 45415540), (4, 22707770), (5, 18166216), (8, 11353885), (10, 9083108), (20, 4541554), (40, 2270777)]