19777699840

素因数分解:

$2^{14}\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1901}}^1$

素因数の和:2061

約数の個数: 120

約数和(自身を含む): 47863936512

約数和(自身を除く): 28086236672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 1016, 1024, 1270, 1280, 1901, 2032, 2048, 2540, 2560, 3802, 4064, 4096, 5080, 5120, 7604, 8128, 8192, 9505, 10160, 10240, 15208, 16256, 16384, 19010, 20320, 20480, 30416, 32512, 38020, 40640, 40960, 60832, 65024, 76040, 81280, 81920, 121664, 130048, 152080, 162560, 241427, 243328, 260096, 304160, 325120, 482854, 486656, 520192, 608320, 650240, 965708, 973312, 1040384, 1207135, 1216640, 1300480, 1931416, 1946624, 2080768, 2414270, 2433280, 2600960, 3862832, 3893248, 4828540, 4866560, 5201920, 7725664, 7786496, 9657080, 9733120, 10403840, 15451328, 15572992, 19314160, 19466240, 30902656, 31145984, 38628320, 38932480, 61805312, 77256640, 77864960, 123610624, 154513280, 155729920, 247221248, 309026560, 494442496, 618053120, 988884992, 1236106240, 1977769984, 2472212480, 3955539968, 4944424960, 9888849920, 19777699840]

約数ペア:

[(1, 19777699840), (2, 9888849920), (4, 4944424960), (5, 3955539968), (8, 2472212480), (10, 1977769984), (16, 1236106240), (20, 988884992), (32, 618053120), (40, 494442496), (64, 309026560), (80, 247221248), (127, 155729920), (128, 154513280), (160, 123610624), (254, 77864960), (256, 77256640), (320, 61805312), (508, 38932480), (512, 38628320), (635, 31145984), (640, 30902656), (1016, 19466240), (1024, 19314160), (1270, 15572992), (1280, 15451328), (1901, 10403840), (2032, 9733120), (2048, 9657080), (2540, 7786496), (2560, 7725664), (3802, 5201920), (4064, 4866560), (4096, 4828540), (5080, 3893248), (5120, 3862832), (7604, 2600960), (8128, 2433280), (8192, 2414270), (9505, 2080768), (10160, 1946624), (10240, 1931416), (15208, 1300480), (16256, 1216640), (16384, 1207135), (19010, 1040384), (20320, 973312), (20480, 965708), (30416, 650240), (32512, 608320), (38020, 520192), (40640, 486656), (40960, 482854), (60832, 325120), (65024, 304160), (76040, 260096), (81280, 243328), (81920, 241427), (121664, 162560), (130048, 152080)]