520492025

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{449}}^1\times {\mathrm{521}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 655371000

約数和(自身を除く): 134878975

約数列:

[1, 5, 25, 89, 445, 449, 521, 2225, 2245, 2605, 11225, 13025, 39961, 46369, 199805, 231845, 233929, 999025, 1159225, 1169645, 5848225, 20819681, 104098405, 520492025]

約数ペア:

[(1, 520492025), (5, 104098405), (25, 20819681), (89, 5848225), (445, 1169645), (449, 1159225), (521, 999025), (2225, 233929), (2245, 231845), (2605, 199805), (11225, 46369), (13025, 39961)]