65220125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{16831}}^1$

素因数の和:16877

約数の個数: 16

約数和(自身を含む): 84025344

約数和(自身を除く): 18805219

約数列:

[1, 5, 25, 31, 125, 155, 775, 3875, 16831, 84155, 420775, 521761, 2103875, 2608805, 13044025, 65220125]

約数ペア:

[(1, 65220125), (5, 13044025), (25, 2608805), (31, 2103875), (125, 521761), (155, 420775), (775, 84155), (3875, 16831)]