250520080

素因数分解:

$2^4\times 5^1\times {\mathrm{3131501}}^1$

素因数の和:3131514

約数の個数: 20

約数和(自身を含む): 582459372

約数和(自身を除く): 331939292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3131501, 6263002, 12526004, 15657505, 25052008, 31315010, 50104016, 62630020, 125260040, 250520080]

約数ペア:

[(1, 250520080), (2, 125260040), (4, 62630020), (5, 50104016), (8, 31315010), (10, 25052008), (16, 15657505), (20, 12526004), (40, 6263002), (80, 3131501)]