8880140

素因数分解:

$2^2\times 5^1\times {\mathrm{444007}}^1$

素因数の和:444016

約数の個数: 12

約数和(自身を含む): 18648336

約数和(自身を除く): 9768196

約数列:

[1, 2, 4, 5, 10, 20, 444007, 888014, 1776028, 2220035, 4440070, 8880140]

約数ペア:

[(1, 8880140), (2, 4440070), (4, 2220035), (5, 1776028), (10, 888014), (20, 444007)]