21329198080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:830

約数の個数: 176

約数和(自身を含む): 52545933216

約数和(自身を除く): 31216735136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 97, 128, 134, 160, 194, 256, 268, 320, 335, 388, 485, 512, 536, 640, 641, 670, 776, 970, 1024, 1072, 1280, 1282, 1340, 1552, 1940, 2144, 2560, 2564, 2680, 3104, 3205, 3880, 4288, 5120, 5128, 5360, 6208, 6410, 6499, 7760, 8576, 10256, 10720, 12416, 12820, 12998, 15520, 17152, 20512, 21440, 24832, 25640, 25996, 31040, 32495, 34304, 41024, 42880, 42947, 49664, 51280, 51992, 62080, 62177, 64990, 68608, 82048, 85760, 85894, 99328, 102560, 103984, 124160, 124354, 129980, 164096, 171520, 171788, 205120, 207968, 214735, 248320, 248708, 259960, 310885, 328192, 343040, 343576, 410240, 415936, 429470, 496640, 497416, 519920, 621770, 656384, 687152, 820480, 831872, 858940, 994832, 1039840, 1243540, 1374304, 1640960, 1663744, 1717880, 1989664, 2079680, 2487080, 2748608, 3281920, 3327488, 3435760, 3979328, 4159360, 4165859, 4974160, 5497216, 6654976, 6871520, 7958656, 8318720, 8331718, 9948320, 10994432, 13743040, 15917312, 16637440, 16663436, 19896640, 20829295, 21988864, 27486080, 31834624, 33274880, 33326872, 39793280, 41658590, 43977728, 54972160, 63669248, 66653744, 79586560, 83317180, 109944320, 133307488, 159173120, 166634360, 219888640, 266614976, 318346240, 333268720, 533229952, 666537440, 1066459904, 1333074880, 2132919808, 2666149760, 4265839616, 5332299520, 10664599040, 21329198080]

約数ペア:

[(1, 21329198080), (2, 10664599040), (4, 5332299520), (5, 4265839616), (8, 2666149760), (10, 2132919808), (16, 1333074880), (20, 1066459904), (32, 666537440), (40, 533229952), (64, 333268720), (67, 318346240), (80, 266614976), (97, 219888640), (128, 166634360), (134, 159173120), (160, 133307488), (194, 109944320), (256, 83317180), (268, 79586560), (320, 66653744), (335, 63669248), (388, 54972160), (485, 43977728), (512, 41658590), (536, 39793280), (640, 33326872), (641, 33274880), (670, 31834624), (776, 27486080), (970, 21988864), (1024, 20829295), (1072, 19896640), (1280, 16663436), (1282, 16637440), (1340, 15917312), (1552, 13743040), (1940, 10994432), (2144, 9948320), (2560, 8331718), (2564, 8318720), (2680, 7958656), (3104, 6871520), (3205, 6654976), (3880, 5497216), (4288, 4974160), (5120, 4165859), (5128, 4159360), (5360, 3979328), (6208, 3435760), (6410, 3327488), (6499, 3281920), (7760, 2748608), (8576, 2487080), (10256, 2079680), (10720, 1989664), (12416, 1717880), (12820, 1663744), (12998, 1640960), (15520, 1374304), (17152, 1243540), (20512, 1039840), (21440, 994832), (24832, 858940), (25640, 831872), (25996, 820480), (31040, 687152), (32495, 656384), (34304, 621770), (41024, 519920), (42880, 497416), (42947, 496640), (49664, 429470), (51280, 415936), (51992, 410240), (62080, 343576), (62177, 343040), (64990, 328192), (68608, 310885), (82048, 259960), (85760, 248708), (85894, 248320), (99328, 214735), (102560, 207968), (103984, 205120), (124160, 171788), (124354, 171520), (129980, 164096)]