131010625

素因数分解:

$5^4\times {\mathrm{97}}^1\times {\mathrm{2161}}^1$

素因数の和:2278

約数の個数: 20

約数和(自身を含む): 165475156

約数和(自身を除く): 34464531

約数列:

[1, 5, 25, 97, 125, 485, 625, 2161, 2425, 10805, 12125, 54025, 60625, 209617, 270125, 1048085, 1350625, 5240425, 26202125, 131010625]

約数ペア:

[(1, 131010625), (5, 26202125), (25, 5240425), (97, 1350625), (125, 1048085), (485, 270125), (625, 209617), (2161, 60625), (2425, 54025), (10805, 12125)]