90315080

素因数分解:

$2^3\times 5^1\times {\mathrm{2257877}}^1$

素因数の和:2257888

約数の個数: 16

約数和(自身を含む): 203209020

約数和(自身を除く): 112893940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2257877, 4515754, 9031508, 11289385, 18063016, 22578770, 45157540, 90315080]

約数ペア:

[(1, 90315080), (2, 45157540), (4, 22578770), (5, 18063016), (8, 11289385), (10, 9031508), (20, 4515754), (40, 2257877)]