20720653120

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{47507}}^1$

素因数の和:47600

約数の個数: 112

約数和(自身を含む): 52129578240

約数和(自身を除く): 31408925120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 47, 58, 64, 80, 94, 116, 145, 160, 188, 232, 235, 290, 320, 376, 464, 470, 580, 752, 928, 940, 1160, 1363, 1504, 1856, 1880, 2320, 2726, 3008, 3760, 4640, 5452, 6815, 7520, 9280, 10904, 13630, 15040, 21808, 27260, 43616, 47507, 54520, 87232, 95014, 109040, 190028, 218080, 237535, 380056, 436160, 475070, 760112, 950140, 1377703, 1520224, 1900280, 2232829, 2755406, 3040448, 3800560, 4465658, 5510812, 6888515, 7601120, 8931316, 11021624, 11164145, 13777030, 15202240, 17862632, 22043248, 22328290, 27554060, 35725264, 44086496, 44656580, 55108120, 64752041, 71450528, 88172992, 89313160, 110216240, 129504082, 142901056, 178626320, 220432480, 259008164, 323760205, 357252640, 440864960, 518016328, 647520410, 714505280, 1036032656, 1295040820, 2072065312, 2590081640, 4144130624, 5180163280, 10360326560, 20720653120]

約数ペア:

[(1, 20720653120), (2, 10360326560), (4, 5180163280), (5, 4144130624), (8, 2590081640), (10, 2072065312), (16, 1295040820), (20, 1036032656), (29, 714505280), (32, 647520410), (40, 518016328), (47, 440864960), (58, 357252640), (64, 323760205), (80, 259008164), (94, 220432480), (116, 178626320), (145, 142901056), (160, 129504082), (188, 110216240), (232, 89313160), (235, 88172992), (290, 71450528), (320, 64752041), (376, 55108120), (464, 44656580), (470, 44086496), (580, 35725264), (752, 27554060), (928, 22328290), (940, 22043248), (1160, 17862632), (1363, 15202240), (1504, 13777030), (1856, 11164145), (1880, 11021624), (2320, 8931316), (2726, 7601120), (3008, 6888515), (3760, 5510812), (4640, 4465658), (5452, 3800560), (6815, 3040448), (7520, 2755406), (9280, 2232829), (10904, 1900280), (13630, 1520224), (15040, 1377703), (21808, 950140), (27260, 760112), (43616, 475070), (47507, 436160), (54520, 380056), (87232, 237535), (95014, 218080), (109040, 190028)]