25839725

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{1229}}^1$

素因数の和:1297

約数の個数: 18

約数和(自身を含む): 33211230

約数和(自身を除く): 7371505

約数列:

[1, 5, 25, 29, 145, 725, 841, 1229, 4205, 6145, 21025, 30725, 35641, 178205, 891025, 1033589, 5167945, 25839725]

約数ペア:

[(1, 25839725), (5, 5167945), (25, 1033589), (29, 891025), (145, 178205), (725, 35641), (841, 30725), (1229, 21025), (4205, 6145)]