200100025

素因数分解:

$5^2\times {\mathrm{181}}^1\times {\mathrm{44221}}^1$

素因数の和:44412

約数の個数: 12

約数和(自身を含む): 249500524

約数和(自身を除く): 49400499

約数列:

[1, 5, 25, 181, 905, 4525, 44221, 221105, 1105525, 8004001, 40020005, 200100025]

約数ペア:

[(1, 200100025), (5, 40020005), (25, 8004001), (181, 1105525), (905, 221105), (4525, 44221)]