5556080

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 13020000

約数和(自身を除く): 7463920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 349, 398, 698, 796, 995, 1396, 1592, 1745, 1990, 2792, 3184, 3490, 3980, 5584, 6980, 7960, 13960, 15920, 27920, 69451, 138902, 277804, 347255, 555608, 694510, 1111216, 1389020, 2778040, 5556080]

約数ペア:

[(1, 5556080), (2, 2778040), (4, 1389020), (5, 1111216), (8, 694510), (10, 555608), (16, 347255), (20, 277804), (40, 138902), (80, 69451), (199, 27920), (349, 15920), (398, 13960), (698, 7960), (796, 6980), (995, 5584), (1396, 3980), (1592, 3490), (1745, 3184), (1990, 2792)]