20236440320

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{1279}}^1$

素因数の和:1610

約数の個数: 144

約数和(自身を含む): 49731010560

約数和(自身を除く): 29494570240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 263, 320, 376, 470, 526, 640, 752, 940, 1052, 1279, 1280, 1315, 1504, 1880, 2104, 2558, 2630, 3008, 3760, 4208, 5116, 5260, 6016, 6395, 7520, 8416, 10232, 10520, 12032, 12361, 12790, 15040, 16832, 20464, 21040, 24722, 25580, 30080, 33664, 40928, 42080, 49444, 51160, 60113, 60160, 61805, 67328, 81856, 84160, 98888, 102320, 120226, 123610, 163712, 168320, 197776, 204640, 240452, 247220, 300565, 327424, 336377, 336640, 395552, 409280, 480904, 494440, 601130, 672754, 791104, 818560, 961808, 988880, 1202260, 1345508, 1582208, 1637120, 1681885, 1923616, 1977760, 2404520, 2691016, 3164416, 3363770, 3847232, 3955520, 4809040, 5382032, 6727540, 7694464, 7911040, 9618080, 10764064, 13455080, 15388928, 15809719, 15822080, 19236160, 21528128, 26910160, 31619438, 38472320, 43056256, 53820320, 63238876, 76944640, 79048595, 86112512, 107640640, 126477752, 158097190, 215281280, 252955504, 316194380, 430562560, 505911008, 632388760, 1011822016, 1264777520, 2023644032, 2529555040, 4047288064, 5059110080, 10118220160, 20236440320]

約数ペア:

[(1, 20236440320), (2, 10118220160), (4, 5059110080), (5, 4047288064), (8, 2529555040), (10, 2023644032), (16, 1264777520), (20, 1011822016), (32, 632388760), (40, 505911008), (47, 430562560), (64, 316194380), (80, 252955504), (94, 215281280), (128, 158097190), (160, 126477752), (188, 107640640), (235, 86112512), (256, 79048595), (263, 76944640), (320, 63238876), (376, 53820320), (470, 43056256), (526, 38472320), (640, 31619438), (752, 26910160), (940, 21528128), (1052, 19236160), (1279, 15822080), (1280, 15809719), (1315, 15388928), (1504, 13455080), (1880, 10764064), (2104, 9618080), (2558, 7911040), (2630, 7694464), (3008, 6727540), (3760, 5382032), (4208, 4809040), (5116, 3955520), (5260, 3847232), (6016, 3363770), (6395, 3164416), (7520, 2691016), (8416, 2404520), (10232, 1977760), (10520, 1923616), (12032, 1681885), (12361, 1637120), (12790, 1582208), (15040, 1345508), (16832, 1202260), (20464, 988880), (21040, 961808), (24722, 818560), (25580, 791104), (30080, 672754), (33664, 601130), (40928, 494440), (42080, 480904), (49444, 409280), (51160, 395552), (60113, 336640), (60160, 336377), (61805, 327424), (67328, 300565), (81856, 247220), (84160, 240452), (98888, 204640), (102320, 197776), (120226, 168320), (123610, 163712)]