25260080

素因数分解:

$2^4\times 5^1\times {\mathrm{315751}}^1$

素因数の和:315764

約数の個数: 20

約数和(自身を含む): 58729872

約数和(自身を除く): 33469792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 315751, 631502, 1263004, 1578755, 2526008, 3157510, 5052016, 6315020, 12630040, 25260080]

約数ペア:

[(1, 25260080), (2, 12630040), (4, 6315020), (5, 5052016), (8, 3157510), (10, 2526008), (16, 1578755), (20, 1263004), (40, 631502), (80, 315751)]