78104375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{7351}}^1$

素因数の和:7388

約数の個数: 20

約数和(自身を含む): 103354416

約数和(自身を除く): 25250041

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 7351, 10625, 36755, 124967, 183775, 624835, 918875, 3124175, 4594375, 15620875, 78104375]

約数ペア:

[(1, 78104375), (5, 15620875), (17, 4594375), (25, 3124175), (85, 918875), (125, 624835), (425, 183775), (625, 124967), (2125, 36755), (7351, 10625)]