8272025

素因数分解:

$5^2\times {\mathrm{409}}^1\times {\mathrm{809}}^1$

素因数の和:1228

約数の個数: 12

約数和(自身を含む): 10295100

約数和(自身を除く): 2023075

約数列:

[1, 5, 25, 409, 809, 2045, 4045, 10225, 20225, 330881, 1654405, 8272025]

約数ペア:

[(1, 8272025), (5, 1654405), (25, 330881), (409, 20225), (809, 10225), (2045, 4045)]