25661875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2200

約数の個数: 20

約数和(自身を含む): 33770440

約数和(自身を除く): 8108565

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 2161, 2375, 10805, 11875, 41059, 54025, 205295, 270125, 1026475, 1350625, 5132375, 25661875]

約数ペア:

[(1, 25661875), (5, 5132375), (19, 1350625), (25, 1026475), (95, 270125), (125, 205295), (475, 54025), (625, 41059), (2161, 11875), (2375, 10805)]