7894375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:780

約数の個数: 20

約数和(自身を含む): 10459152

約数和(自身を除く): 2564777

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 743, 2125, 3715, 10625, 12631, 18575, 63155, 92875, 315775, 464375, 1578875, 7894375]

約数ペア:

[(1, 7894375), (5, 1578875), (17, 464375), (25, 315775), (85, 92875), (125, 63155), (425, 18575), (625, 12631), (743, 10625), (2125, 3715)]