55911040

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 134640000

約数和(自身を除く): 78728960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 398, 439, 640, 796, 878, 995, 1592, 1756, 1990, 2195, 3184, 3512, 3980, 4390, 6368, 7024, 7960, 8780, 12736, 14048, 15920, 17560, 25472, 28096, 31840, 35120, 56192, 63680, 70240, 87361, 127360, 140480, 174722, 280960, 349444, 436805, 698888, 873610, 1397776, 1747220, 2795552, 3494440, 5591104, 6988880, 11182208, 13977760, 27955520, 55911040]

約数ペア:

[(1, 55911040), (2, 27955520), (4, 13977760), (5, 11182208), (8, 6988880), (10, 5591104), (16, 3494440), (20, 2795552), (32, 1747220), (40, 1397776), (64, 873610), (80, 698888), (128, 436805), (160, 349444), (199, 280960), (320, 174722), (398, 140480), (439, 127360), (640, 87361), (796, 70240), (878, 63680), (995, 56192), (1592, 35120), (1756, 31840), (1990, 28096), (2195, 25472), (3184, 17560), (3512, 15920), (3980, 14048), (4390, 12736), (6368, 8780), (7024, 7960)]