8419375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:748

約数の個数: 20

約数和(自身を含む): 11090200

約数和(自身を除く): 2670825

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 709, 2375, 3545, 11875, 13471, 17725, 67355, 88625, 336775, 443125, 1683875, 8419375]

約数ペア:

[(1, 8419375), (5, 1683875), (19, 443125), (25, 336775), (95, 88625), (125, 67355), (475, 17725), (625, 13471), (709, 11875), (2375, 3545)]