18464131025

素因数分解:

$5^2\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{21169}}^1$

素因数の和:21569

約数の個数: 24

約数和(自身を含む): 23153205600

約数和(自身を除く): 4689074575

約数列:

[1, 5, 25, 139, 251, 695, 1255, 3475, 6275, 21169, 34889, 105845, 174445, 529225, 872225, 2942491, 5313419, 14712455, 26567095, 73562275, 132835475, 738565241, 3692826205, 18464131025]

約数ペア:

[(1, 18464131025), (5, 3692826205), (25, 738565241), (139, 132835475), (251, 73562275), (695, 26567095), (1255, 14712455), (3475, 5313419), (6275, 2942491), (21169, 872225), (34889, 529225), (105845, 174445)]