51161440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:776

約数の個数: 96

約数和(自身を含む): 135263520

約数和(自身を除く): 84102080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 160, 164, 176, 205, 220, 328, 352, 410, 440, 451, 656, 709, 820, 880, 902, 1312, 1418, 1640, 1760, 1804, 2255, 2836, 3280, 3545, 3608, 4510, 5672, 6560, 7090, 7216, 7799, 9020, 11344, 14180, 14432, 15598, 18040, 22688, 28360, 29069, 31196, 36080, 38995, 56720, 58138, 62392, 72160, 77990, 113440, 116276, 124784, 145345, 155980, 232552, 249568, 290690, 311960, 319759, 465104, 581380, 623920, 639518, 930208, 1162760, 1247840, 1279036, 1598795, 2325520, 2558072, 3197590, 4651040, 5116144, 6395180, 10232288, 12790360, 25580720, 51161440]

約数ペア:

[(1, 51161440), (2, 25580720), (4, 12790360), (5, 10232288), (8, 6395180), (10, 5116144), (11, 4651040), (16, 3197590), (20, 2558072), (22, 2325520), (32, 1598795), (40, 1279036), (41, 1247840), (44, 1162760), (55, 930208), (80, 639518), (82, 623920), (88, 581380), (110, 465104), (160, 319759), (164, 311960), (176, 290690), (205, 249568), (220, 232552), (328, 155980), (352, 145345), (410, 124784), (440, 116276), (451, 113440), (656, 77990), (709, 72160), (820, 62392), (880, 58138), (902, 56720), (1312, 38995), (1418, 36080), (1640, 31196), (1760, 29069), (1804, 28360), (2255, 22688), (2836, 18040), (3280, 15598), (3545, 14432), (3608, 14180), (4510, 11344), (5672, 9020), (6560, 7799), (7090, 7216)]