83000720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 211915008

約数和(自身を除く): 128914288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 257, 367, 440, 514, 734, 880, 1028, 1285, 1468, 1835, 2056, 2570, 2827, 2936, 3670, 4037, 4112, 5140, 5654, 5872, 7340, 8074, 10280, 11308, 14135, 14680, 16148, 20185, 20560, 22616, 28270, 29360, 32296, 40370, 45232, 56540, 64592, 80740, 94319, 113080, 161480, 188638, 226160, 322960, 377276, 471595, 754552, 943190, 1037509, 1509104, 1886380, 2075018, 3772760, 4150036, 5187545, 7545520, 8300072, 10375090, 16600144, 20750180, 41500360, 83000720]

約数ペア:

[(1, 83000720), (2, 41500360), (4, 20750180), (5, 16600144), (8, 10375090), (10, 8300072), (11, 7545520), (16, 5187545), (20, 4150036), (22, 3772760), (40, 2075018), (44, 1886380), (55, 1509104), (80, 1037509), (88, 943190), (110, 754552), (176, 471595), (220, 377276), (257, 322960), (367, 226160), (440, 188638), (514, 161480), (734, 113080), (880, 94319), (1028, 80740), (1285, 64592), (1468, 56540), (1835, 45232), (2056, 40370), (2570, 32296), (2827, 29360), (2936, 28270), (3670, 22616), (4037, 20560), (4112, 20185), (5140, 16148), (5654, 14680), (5872, 14135), (7340, 11308), (8074, 10280)]