20089110080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:617

約数の個数: 224

約数和(自身を含む): 52556968800

約数和(自身を除く): 32467858720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 101, 104, 130, 137, 160, 202, 208, 260, 274, 320, 349, 404, 416, 505, 520, 548, 685, 698, 808, 832, 1010, 1040, 1096, 1313, 1370, 1396, 1616, 1745, 1781, 2020, 2080, 2192, 2626, 2740, 2792, 3232, 3490, 3562, 4040, 4160, 4384, 4537, 5252, 5480, 5584, 6464, 6565, 6980, 7124, 8080, 8768, 8905, 9074, 10504, 10960, 11168, 13130, 13837, 13960, 14248, 16160, 17810, 18148, 21008, 21920, 22336, 22685, 26260, 27674, 27920, 28496, 32320, 35249, 35620, 36296, 42016, 43840, 45370, 47813, 52520, 55348, 55840, 56992, 69185, 70498, 71240, 72592, 84032, 90740, 95626, 105040, 110696, 111680, 113984, 138370, 140996, 142480, 145184, 176245, 179881, 181480, 191252, 210080, 221392, 239065, 276740, 281992, 284960, 290368, 352490, 359762, 362960, 382504, 420160, 442784, 458237, 478130, 553480, 563984, 569920, 621569, 704980, 719524, 725920, 765008, 885568, 899405, 916474, 956260, 1106960, 1127968, 1243138, 1409960, 1439048, 1451840, 1530016, 1798810, 1832948, 1912520, 2213920, 2255936, 2291185, 2486276, 2819920, 2878096, 3060032, 3107845, 3597620, 3665896, 3825040, 4427840, 4582370, 4829113, 4972552, 5639840, 5756192, 6215690, 7195240, 7331792, 7650080, 9164740, 9658226, 9945104, 11279680, 11512384, 12431380, 14390480, 14663584, 15300160, 18329480, 19316452, 19890208, 24145565, 24862760, 28780960, 29327168, 36658960, 38632904, 39780416, 48291130, 49725520, 57561920, 62778469, 73317920, 77265808, 96582260, 99451040, 125556938, 146635840, 154531616, 193164520, 198902080, 251113876, 309063232, 313892345, 386329040, 502227752, 627784690, 772658080, 1004455504, 1255569380, 1545316160, 2008911008, 2511138760, 4017822016, 5022277520, 10044555040, 20089110080]

約数ペア:

[(1, 20089110080), (2, 10044555040), (4, 5022277520), (5, 4017822016), (8, 2511138760), (10, 2008911008), (13, 1545316160), (16, 1255569380), (20, 1004455504), (26, 772658080), (32, 627784690), (40, 502227752), (52, 386329040), (64, 313892345), (65, 309063232), (80, 251113876), (101, 198902080), (104, 193164520), (130, 154531616), (137, 146635840), (160, 125556938), (202, 99451040), (208, 96582260), (260, 77265808), (274, 73317920), (320, 62778469), (349, 57561920), (404, 49725520), (416, 48291130), (505, 39780416), (520, 38632904), (548, 36658960), (685, 29327168), (698, 28780960), (808, 24862760), (832, 24145565), (1010, 19890208), (1040, 19316452), (1096, 18329480), (1313, 15300160), (1370, 14663584), (1396, 14390480), (1616, 12431380), (1745, 11512384), (1781, 11279680), (2020, 9945104), (2080, 9658226), (2192, 9164740), (2626, 7650080), (2740, 7331792), (2792, 7195240), (3232, 6215690), (3490, 5756192), (3562, 5639840), (4040, 4972552), (4160, 4829113), (4384, 4582370), (4537, 4427840), (5252, 3825040), (5480, 3665896), (5584, 3597620), (6464, 3107845), (6565, 3060032), (6980, 2878096), (7124, 2819920), (8080, 2486276), (8768, 2291185), (8905, 2255936), (9074, 2213920), (10504, 1912520), (10960, 1832948), (11168, 1798810), (13130, 1530016), (13837, 1451840), (13960, 1439048), (14248, 1409960), (16160, 1243138), (17810, 1127968), (18148, 1106960), (21008, 956260), (21920, 916474), (22336, 899405), (22685, 885568), (26260, 765008), (27674, 725920), (27920, 719524), (28496, 704980), (32320, 621569), (35249, 569920), (35620, 563984), (36296, 553480), (42016, 478130), (43840, 458237), (45370, 442784), (47813, 420160), (52520, 382504), (55348, 362960), (55840, 359762), (56992, 352490), (69185, 290368), (70498, 284960), (71240, 281992), (72592, 276740), (84032, 239065), (90740, 221392), (95626, 210080), (105040, 191252), (110696, 181480), (111680, 179881), (113984, 176245), (138370, 145184), (140996, 142480)]