13977760

素因数分解:

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

素因数の和:653

約数の個数: 48

約数和(自身を含む): 33264000

約数和(自身を除く): 19286240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 439, 796, 878, 995, 1592, 1756, 1990, 2195, 3184, 3512, 3980, 4390, 6368, 7024, 7960, 8780, 14048, 15920, 17560, 31840, 35120, 70240, 87361, 174722, 349444, 436805, 698888, 873610, 1397776, 1747220, 2795552, 3494440, 6988880, 13977760]

約数ペア:

[(1, 13977760), (2, 6988880), (4, 3494440), (5, 2795552), (8, 1747220), (10, 1397776), (16, 873610), (20, 698888), (32, 436805), (40, 349444), (80, 174722), (160, 87361), (199, 70240), (398, 35120), (439, 31840), (796, 17560), (878, 15920), (995, 14048), (1592, 8780), (1756, 7960), (1990, 7024), (2195, 6368), (3184, 4390), (3512, 3980)]