72778025

素因数分解:

$5^2\times {\mathrm{541}}^1\times {\mathrm{5381}}^1$

素因数の和:5932

約数の個数: 12

約数和(自身を含む): 90428364

約数和(自身を除く): 17650339

約数列:

[1, 5, 25, 541, 2705, 5381, 13525, 26905, 134525, 2911121, 14555605, 72778025]

約数ペア:

[(1, 72778025), (5, 14555605), (25, 2911121), (541, 134525), (2705, 26905), (5381, 13525)]