999492040

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{99551}}^1$

素因数の和:99813

約数の個数: 32

約数和(自身を含む): 2257839360

約数和(自身を除く): 1258347320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 99551, 199102, 398204, 497755, 796408, 995510, 1991020, 3982040, 24987301, 49974602, 99949204, 124936505, 199898408, 249873010, 499746020, 999492040]

約数ペア:

[(1, 999492040), (2, 499746020), (4, 249873010), (5, 199898408), (8, 124936505), (10, 99949204), (20, 49974602), (40, 24987301), (251, 3982040), (502, 1991020), (1004, 995510), (1255, 796408), (2008, 497755), (2510, 398204), (5020, 199102), (10040, 99551)]