2000295025

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{899009}}^1$

素因数の和:899108

約数の個数: 12

約数和(自身を含む): 2508237900

約数和(自身を除く): 507942875

約数列:

[1, 5, 25, 89, 445, 2225, 899009, 4495045, 22475225, 80011801, 400059005, 2000295025]

約数ペア:

[(1, 2000295025), (5, 400059005), (25, 80011801), (89, 22475225), (445, 4495045), (2225, 899009)]