8020208000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:846

約数の個数: 256

約数和(自身を含む): 23046940800

約数和(自身を除く): 15026732800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 101, 112, 125, 128, 140, 160, 175, 200, 202, 224, 250, 280, 320, 350, 400, 404, 448, 500, 505, 560, 640, 700, 707, 709, 800, 808, 875, 896, 1000, 1010, 1120, 1400, 1414, 1418, 1600, 1616, 1750, 2000, 2020, 2240, 2525, 2800, 2828, 2836, 3200, 3232, 3500, 3535, 3545, 4000, 4040, 4480, 4963, 5050, 5600, 5656, 5672, 6464, 7000, 7070, 7090, 8000, 8080, 9926, 10100, 11200, 11312, 11344, 12625, 12928, 14000, 14140, 14180, 16000, 16160, 17675, 17725, 19852, 20200, 22400, 22624, 22688, 24815, 25250, 28000, 28280, 28360, 32320, 35350, 35450, 39704, 40400, 45248, 45376, 49630, 50500, 56000, 56560, 56720, 64640, 70700, 70900, 71609, 79408, 80800, 88375, 88625, 90496, 90752, 99260, 101000, 112000, 113120, 113440, 124075, 141400, 141800, 143218, 158816, 161600, 176750, 177250, 198520, 202000, 226240, 226880, 248150, 282800, 283600, 286436, 317632, 323200, 353500, 354500, 358045, 397040, 404000, 452480, 453760, 496300, 501263, 565600, 567200, 572872, 620375, 635264, 707000, 709000, 716090, 794080, 808000, 992600, 1002526, 1131200, 1134400, 1145744, 1240750, 1414000, 1418000, 1432180, 1588160, 1616000, 1790225, 1985200, 2005052, 2262400, 2268800, 2291488, 2481500, 2506315, 2828000, 2836000, 2864360, 3176320, 3580450, 3970400, 4010104, 4582976, 4963000, 5012630, 5656000, 5672000, 5728720, 7160900, 7940800, 8020208, 8951125, 9165952, 9926000, 10025260, 11312000, 11344000, 11457440, 12531575, 14321800, 15881600, 16040416, 17902250, 19852000, 20050520, 22914880, 25063150, 28643600, 32080832, 35804500, 39704000, 40101040, 45829760, 50126300, 57287200, 62657875, 64161664, 71609000, 79408000, 80202080, 100252600, 114574400, 125315750, 143218000, 160404160, 200505200, 229148800, 250631500, 286436000, 320808320, 401010400, 501263000, 572872000, 802020800, 1002526000, 1145744000, 1604041600, 2005052000, 4010104000, 8020208000]

約数ペア:

[(1, 8020208000), (2, 4010104000), (4, 2005052000), (5, 1604041600), (7, 1145744000), (8, 1002526000), (10, 802020800), (14, 572872000), (16, 501263000), (20, 401010400), (25, 320808320), (28, 286436000), (32, 250631500), (35, 229148800), (40, 200505200), (50, 160404160), (56, 143218000), (64, 125315750), (70, 114574400), (80, 100252600), (100, 80202080), (101, 79408000), (112, 71609000), (125, 64161664), (128, 62657875), (140, 57287200), (160, 50126300), (175, 45829760), (200, 40101040), (202, 39704000), (224, 35804500), (250, 32080832), (280, 28643600), (320, 25063150), (350, 22914880), (400, 20050520), (404, 19852000), (448, 17902250), (500, 16040416), (505, 15881600), (560, 14321800), (640, 12531575), (700, 11457440), (707, 11344000), (709, 11312000), (800, 10025260), (808, 9926000), (875, 9165952), (896, 8951125), (1000, 8020208), (1010, 7940800), (1120, 7160900), (1400, 5728720), (1414, 5672000), (1418, 5656000), (1600, 5012630), (1616, 4963000), (1750, 4582976), (2000, 4010104), (2020, 3970400), (2240, 3580450), (2525, 3176320), (2800, 2864360), (2828, 2836000), (2836, 2828000), (3200, 2506315), (3232, 2481500), (3500, 2291488), (3535, 2268800), (3545, 2262400), (4000, 2005052), (4040, 1985200), (4480, 1790225), (4963, 1616000), (5050, 1588160), (5600, 1432180), (5656, 1418000), (5672, 1414000), (6464, 1240750), (7000, 1145744), (7070, 1134400), (7090, 1131200), (8000, 1002526), (8080, 992600), (9926, 808000), (10100, 794080), (11200, 716090), (11312, 709000), (11344, 707000), (12625, 635264), (12928, 620375), (14000, 572872), (14140, 567200), (14180, 565600), (16000, 501263), (16160, 496300), (17675, 453760), (17725, 452480), (19852, 404000), (20200, 397040), (22400, 358045), (22624, 354500), (22688, 353500), (24815, 323200), (25250, 317632), (28000, 286436), (28280, 283600), (28360, 282800), (32320, 248150), (35350, 226880), (35450, 226240), (39704, 202000), (40400, 198520), (45248, 177250), (45376, 176750), (49630, 161600), (50500, 158816), (56000, 143218), (56560, 141800), (56720, 141400), (64640, 124075), (70700, 113440), (70900, 113120), (71609, 112000), (79408, 101000), (80800, 99260), (88375, 90752), (88625, 90496)]