9972440

素因数分解:

$2^3\times 5^1\times {\mathrm{249311}}^1$

素因数の和:249322

約数の個数: 16

約数和(自身を含む): 22438080

約数和(自身を除く): 12465640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 249311, 498622, 997244, 1246555, 1994488, 2493110, 4986220, 9972440]

約数ペア:

[(1, 9972440), (2, 4986220), (4, 2493110), (5, 1994488), (8, 1246555), (10, 997244), (20, 498622), (40, 249311)]