486875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 20

約数和(自身を含む): 656040

約数和(自身を除く): 169165

約数列:

[1, 5, 19, 25, 41, 95, 125, 205, 475, 625, 779, 1025, 2375, 3895, 5125, 11875, 19475, 25625, 97375, 486875]

約数ペア:

[(1, 486875), (5, 97375), (19, 25625), (25, 19475), (41, 11875), (95, 5125), (125, 3895), (205, 2375), (475, 1025), (625, 779)]