40986880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 111259008

約数和(自身を除く): 70272128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 71, 80, 82, 88, 110, 128, 142, 160, 164, 176, 205, 220, 256, 284, 320, 328, 352, 355, 410, 440, 451, 568, 640, 656, 704, 710, 781, 820, 880, 902, 1136, 1280, 1312, 1408, 1420, 1562, 1640, 1760, 1804, 2255, 2272, 2624, 2816, 2840, 2911, 3124, 3280, 3520, 3608, 3905, 4510, 4544, 5248, 5680, 5822, 6248, 6560, 7040, 7216, 7810, 9020, 9088, 10496, 11360, 11644, 12496, 13120, 14080, 14432, 14555, 15620, 18040, 18176, 22720, 23288, 24992, 26240, 28864, 29110, 31240, 32021, 36080, 45440, 46576, 49984, 52480, 57728, 58220, 62480, 64042, 72160, 90880, 93152, 99968, 115456, 116440, 124960, 128084, 144320, 160105, 186304, 199936, 232880, 249920, 256168, 288640, 320210, 372608, 465760, 499840, 512336, 577280, 640420, 745216, 931520, 999680, 1024672, 1280840, 1863040, 2049344, 2561680, 3726080, 4098688, 5123360, 8197376, 10246720, 20493440, 40986880]

約数ペア:

[(1, 40986880), (2, 20493440), (4, 10246720), (5, 8197376), (8, 5123360), (10, 4098688), (11, 3726080), (16, 2561680), (20, 2049344), (22, 1863040), (32, 1280840), (40, 1024672), (41, 999680), (44, 931520), (55, 745216), (64, 640420), (71, 577280), (80, 512336), (82, 499840), (88, 465760), (110, 372608), (128, 320210), (142, 288640), (160, 256168), (164, 249920), (176, 232880), (205, 199936), (220, 186304), (256, 160105), (284, 144320), (320, 128084), (328, 124960), (352, 116440), (355, 115456), (410, 99968), (440, 93152), (451, 90880), (568, 72160), (640, 64042), (656, 62480), (704, 58220), (710, 57728), (781, 52480), (820, 49984), (880, 46576), (902, 45440), (1136, 36080), (1280, 32021), (1312, 31240), (1408, 29110), (1420, 28864), (1562, 26240), (1640, 24992), (1760, 23288), (1804, 22720), (2255, 18176), (2272, 18040), (2624, 15620), (2816, 14555), (2840, 14432), (2911, 14080), (3124, 13120), (3280, 12496), (3520, 11644), (3608, 11360), (3905, 10496), (4510, 9088), (4544, 9020), (5248, 7810), (5680, 7216), (5822, 7040), (6248, 6560)]