215260545025

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{85251701}}^1$

素因数の和:85251812

約数の個数: 12

約数和(自身を含む): 269565881724

約数和(自身を除く): 54305336699

約数列:

[1, 5, 25, 101, 505, 2525, 85251701, 426258505, 2131292525, 8610421801, 43052109005, 215260545025]

約数ペア:

[(1, 215260545025), (5, 43052109005), (25, 8610421801), (101, 2131292525), (505, 426258505), (2525, 85251701)]