27955520

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:655

約数の個数: 56

約数和(自身を含む): 67056000

約数和(自身を除く): 39100480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 439, 796, 878, 995, 1592, 1756, 1990, 2195, 3184, 3512, 3980, 4390, 6368, 7024, 7960, 8780, 12736, 14048, 15920, 17560, 28096, 31840, 35120, 63680, 70240, 87361, 140480, 174722, 349444, 436805, 698888, 873610, 1397776, 1747220, 2795552, 3494440, 5591104, 6988880, 13977760, 27955520]

約数ペア:

[(1, 27955520), (2, 13977760), (4, 6988880), (5, 5591104), (8, 3494440), (10, 2795552), (16, 1747220), (20, 1397776), (32, 873610), (40, 698888), (64, 436805), (80, 349444), (160, 174722), (199, 140480), (320, 87361), (398, 70240), (439, 63680), (796, 35120), (878, 31840), (995, 28096), (1592, 17560), (1756, 15920), (1990, 14048), (2195, 12736), (3184, 8780), (3512, 7960), (3980, 7024), (4390, 6368)]