404965175

素因数分解:

$5^2\times {\mathrm{809}}^1\times {\mathrm{20023}}^1$

素因数の和:20842

約数の個数: 12

約数和(自身を含む): 502802640

約数和(自身を除く): 97837465

約数列:

[1, 5, 25, 809, 4045, 20023, 20225, 100115, 500575, 16198607, 80993035, 404965175]

約数ペア:

[(1, 404965175), (5, 80993035), (25, 16198607), (809, 500575), (4045, 100115), (20023, 20225)]