2581045760

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23447}}^1$

素因数の和:23513

約数の個数: 80

約数和(自身を含む): 6332648256

約数和(自身を除く): 3751602496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 640, 688, 860, 1280, 1376, 1720, 2560, 2752, 3440, 5504, 6880, 11008, 13760, 22016, 23447, 27520, 46894, 55040, 93788, 110080, 117235, 187576, 234470, 375152, 468940, 750304, 937880, 1008221, 1500608, 1875760, 2016442, 3001216, 3751520, 4032884, 5041105, 6002432, 7503040, 8065768, 10082210, 12004864, 15006080, 16131536, 20164420, 30012160, 32263072, 40328840, 60024320, 64526144, 80657680, 129052288, 161315360, 258104576, 322630720, 516209152, 645261440, 1290522880, 2581045760]

約数ペア:

[(1, 2581045760), (2, 1290522880), (4, 645261440), (5, 516209152), (8, 322630720), (10, 258104576), (16, 161315360), (20, 129052288), (32, 80657680), (40, 64526144), (43, 60024320), (64, 40328840), (80, 32263072), (86, 30012160), (128, 20164420), (160, 16131536), (172, 15006080), (215, 12004864), (256, 10082210), (320, 8065768), (344, 7503040), (430, 6002432), (512, 5041105), (640, 4032884), (688, 3751520), (860, 3001216), (1280, 2016442), (1376, 1875760), (1720, 1500608), (2560, 1008221), (2752, 937880), (3440, 750304), (5504, 468940), (6880, 375152), (11008, 234470), (13760, 187576), (22016, 117235), (23447, 110080), (27520, 93788), (46894, 55040)]