66236875

素因数分解:

$5^4\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:960

約数の個数: 20

約数和(自身を含む): 83504520

約数和(自身を除く): 17267645

約数列:

[1, 5, 25, 125, 131, 625, 655, 809, 3275, 4045, 16375, 20225, 81875, 101125, 105979, 505625, 529895, 2649475, 13247375, 66236875]

約数ペア:

[(1, 66236875), (5, 13247375), (25, 2649475), (125, 529895), (131, 505625), (625, 105979), (655, 101125), (809, 81875), (3275, 20225), (4045, 16375)]