20649130880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{1093}}^1\times {\mathrm{4217}}^1$

素因数の和:5336

約数の個数: 128

約数和(自身を含む): 56481382080

約数和(自身を除く): 35832251200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1093, 1120, 2186, 2240, 4217, 4372, 4480, 5465, 7651, 8434, 8744, 10930, 15302, 16868, 17488, 21085, 21860, 29519, 30604, 33736, 34976, 38255, 42170, 43720, 59038, 61208, 67472, 69952, 76510, 84340, 87440, 118076, 122416, 134944, 139904, 147595, 153020, 168680, 174880, 236152, 244832, 269888, 295190, 306040, 337360, 349760, 472304, 489664, 539776, 590380, 612080, 674720, 699520, 944608, 979328, 1180760, 1224160, 1349440, 1889216, 2361520, 2448320, 2698880, 3778432, 4609181, 4723040, 4896640, 9218362, 9446080, 18436724, 18892160, 23045905, 32264267, 36873448, 46091810, 64528534, 73746896, 92183620, 129057068, 147493792, 161321335, 184367240, 258114136, 294987584, 322642670, 368734480, 516228272, 589975168, 645285340, 737468960, 1032456544, 1290570680, 1474937920, 2064913088, 2581141360, 2949875840, 4129826176, 5162282720, 10324565440, 20649130880]

約数ペア:

[(1, 20649130880), (2, 10324565440), (4, 5162282720), (5, 4129826176), (7, 2949875840), (8, 2581141360), (10, 2064913088), (14, 1474937920), (16, 1290570680), (20, 1032456544), (28, 737468960), (32, 645285340), (35, 589975168), (40, 516228272), (56, 368734480), (64, 322642670), (70, 294987584), (80, 258114136), (112, 184367240), (128, 161321335), (140, 147493792), (160, 129057068), (224, 92183620), (280, 73746896), (320, 64528534), (448, 46091810), (560, 36873448), (640, 32264267), (896, 23045905), (1093, 18892160), (1120, 18436724), (2186, 9446080), (2240, 9218362), (4217, 4896640), (4372, 4723040), (4480, 4609181), (5465, 3778432), (7651, 2698880), (8434, 2448320), (8744, 2361520), (10930, 1889216), (15302, 1349440), (16868, 1224160), (17488, 1180760), (21085, 979328), (21860, 944608), (29519, 699520), (30604, 674720), (33736, 612080), (34976, 590380), (38255, 539776), (42170, 489664), (43720, 472304), (59038, 349760), (61208, 337360), (67472, 306040), (69952, 295190), (76510, 269888), (84340, 244832), (87440, 236152), (118076, 174880), (122416, 168680), (134944, 153020), (139904, 147595)]