91131080

素因数分解:

$2^3\times 5^1\times {\mathrm{2278277}}^1$

素因数の和:2278288

約数の個数: 16

約数和(自身を含む): 205045020

約数和(自身を除く): 113913940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2278277, 4556554, 9113108, 11391385, 18226216, 22782770, 45565540, 91131080]

約数ペア:

[(1, 91131080), (2, 45565540), (4, 22782770), (5, 18226216), (8, 11391385), (10, 9113108), (20, 4556554), (40, 2278277)]