20886461440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1009}}^1$

素因数の和:1358

約数の個数: 176

約数和(自身を含む): 54184253760

約数和(自身を除く): 33297792320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 311, 320, 416, 512, 520, 622, 640, 832, 1009, 1024, 1040, 1244, 1280, 1555, 1664, 2018, 2080, 2488, 2560, 3110, 3328, 4036, 4043, 4160, 4976, 5045, 5120, 6220, 6656, 8072, 8086, 8320, 9952, 10090, 12440, 13117, 13312, 16144, 16172, 16640, 19904, 20180, 20215, 24880, 26234, 32288, 32344, 33280, 39808, 40360, 40430, 49760, 52468, 64576, 64688, 65585, 66560, 79616, 80720, 80860, 99520, 104936, 129152, 129376, 131170, 159232, 161440, 161720, 199040, 209872, 258304, 258752, 262340, 313799, 318464, 322880, 323440, 398080, 419744, 516608, 517504, 524680, 627598, 645760, 646880, 796160, 839488, 1033216, 1035008, 1049360, 1255196, 1291520, 1293760, 1568995, 1592320, 1678976, 2070016, 2098720, 2510392, 2583040, 2587520, 3137990, 3357952, 4079387, 4140032, 4197440, 5020784, 5166080, 5175040, 6275980, 6715904, 8158774, 8394880, 10041568, 10350080, 12551960, 13431808, 16317548, 16789760, 20083136, 20396935, 20700160, 25103920, 32635096, 33579520, 40166272, 40793870, 50207840, 65270192, 67159040, 80332544, 81587740, 100415680, 130540384, 160665088, 163175480, 200831360, 261080768, 321330176, 326350960, 401662720, 522161536, 652701920, 803325440, 1044323072, 1305403840, 1606650880, 2088646144, 2610807680, 4177292288, 5221615360, 10443230720, 20886461440]

約数ペア:

[(1, 20886461440), (2, 10443230720), (4, 5221615360), (5, 4177292288), (8, 2610807680), (10, 2088646144), (13, 1606650880), (16, 1305403840), (20, 1044323072), (26, 803325440), (32, 652701920), (40, 522161536), (52, 401662720), (64, 326350960), (65, 321330176), (80, 261080768), (104, 200831360), (128, 163175480), (130, 160665088), (160, 130540384), (208, 100415680), (256, 81587740), (260, 80332544), (311, 67159040), (320, 65270192), (416, 50207840), (512, 40793870), (520, 40166272), (622, 33579520), (640, 32635096), (832, 25103920), (1009, 20700160), (1024, 20396935), (1040, 20083136), (1244, 16789760), (1280, 16317548), (1555, 13431808), (1664, 12551960), (2018, 10350080), (2080, 10041568), (2488, 8394880), (2560, 8158774), (3110, 6715904), (3328, 6275980), (4036, 5175040), (4043, 5166080), (4160, 5020784), (4976, 4197440), (5045, 4140032), (5120, 4079387), (6220, 3357952), (6656, 3137990), (8072, 2587520), (8086, 2583040), (8320, 2510392), (9952, 2098720), (10090, 2070016), (12440, 1678976), (13117, 1592320), (13312, 1568995), (16144, 1293760), (16172, 1291520), (16640, 1255196), (19904, 1049360), (20180, 1035008), (20215, 1033216), (24880, 839488), (26234, 796160), (32288, 646880), (32344, 645760), (33280, 627598), (39808, 524680), (40360, 517504), (40430, 516608), (49760, 419744), (52468, 398080), (64576, 323440), (64688, 322880), (65585, 318464), (66560, 313799), (79616, 262340), (80720, 258752), (80860, 258304), (99520, 209872), (104936, 199040), (129152, 161720), (129376, 161440), (131170, 159232)]