2019933520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79151}}^1$

素因数の和:79204

約数の個数: 80

約数和(自身を含む): 5300017920

約数和(自身を除く): 3280084400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6380, 12760, 25520, 79151, 158302, 316604, 395755, 633208, 791510, 870661, 1266416, 1583020, 1741322, 2295379, 3166040, 3482644, 4353305, 4590758, 6332080, 6965288, 8706610, 9181516, 11476895, 13930576, 17413220, 18363032, 22953790, 25249169, 34826440, 36726064, 45907580, 50498338, 69652880, 91815160, 100996676, 126245845, 183630320, 201993352, 252491690, 403986704, 504983380, 1009966760, 2019933520]

約数ペア:

[(1, 2019933520), (2, 1009966760), (4, 504983380), (5, 403986704), (8, 252491690), (10, 201993352), (11, 183630320), (16, 126245845), (20, 100996676), (22, 91815160), (29, 69652880), (40, 50498338), (44, 45907580), (55, 36726064), (58, 34826440), (80, 25249169), (88, 22953790), (110, 18363032), (116, 17413220), (145, 13930576), (176, 11476895), (220, 9181516), (232, 8706610), (290, 6965288), (319, 6332080), (440, 4590758), (464, 4353305), (580, 3482644), (638, 3166040), (880, 2295379), (1160, 1741322), (1276, 1583020), (1595, 1266416), (2320, 870661), (2552, 791510), (3190, 633208), (5104, 395755), (6380, 316604), (12760, 158302), (25520, 79151)]