12672320

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^2$

素因数の和:415

約数の個数: 42

約数和(自身を含む): 30328362

約数和(自身を除く): 17656042

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 12736, 15920, 31840, 39601, 63680, 79202, 158404, 198005, 316808, 396010, 633616, 792020, 1267232, 1584040, 2534464, 3168080, 6336160, 12672320]

約数ペア:

[(1, 12672320), (2, 6336160), (4, 3168080), (5, 2534464), (8, 1584040), (10, 1267232), (16, 792020), (20, 633616), (32, 396010), (40, 316808), (64, 198005), (80, 158404), (160, 79202), (199, 63680), (320, 39601), (398, 31840), (796, 15920), (995, 12736), (1592, 7960), (1990, 6368), (3184, 3980)]