6988880

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:651

約数の個数: 40

約数和(自身を含む): 16368000

約数和(自身を除く): 9379120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 439, 796, 878, 995, 1592, 1756, 1990, 2195, 3184, 3512, 3980, 4390, 7024, 7960, 8780, 15920, 17560, 35120, 87361, 174722, 349444, 436805, 698888, 873610, 1397776, 1747220, 3494440, 6988880]

約数ペア:

[(1, 6988880), (2, 3494440), (4, 1747220), (5, 1397776), (8, 873610), (10, 698888), (16, 436805), (20, 349444), (40, 174722), (80, 87361), (199, 35120), (398, 17560), (439, 15920), (796, 8780), (878, 7960), (995, 7024), (1592, 4390), (1756, 3980), (1990, 3512), (2195, 3184)]