20406887200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{49919}}^1$

素因数の和:50019

約数の個数: 144

約数和(自身を含む): 57716305920

約数和(自身を除く): 37309418720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 73, 80, 100, 112, 140, 146, 160, 175, 200, 224, 280, 292, 350, 365, 400, 511, 560, 584, 700, 730, 800, 1022, 1120, 1168, 1400, 1460, 1825, 2044, 2336, 2555, 2800, 2920, 3650, 4088, 5110, 5600, 5840, 7300, 8176, 10220, 11680, 12775, 14600, 16352, 20440, 25550, 29200, 40880, 49919, 51100, 58400, 81760, 99838, 102200, 199676, 204400, 249595, 349433, 399352, 408800, 499190, 698866, 798704, 998380, 1247975, 1397732, 1597408, 1747165, 1996760, 2495950, 2795464, 3494330, 3644087, 3993520, 4991900, 5590928, 6988660, 7288174, 7987040, 8735825, 9983800, 11181856, 13977320, 14576348, 17471650, 18220435, 19967600, 25508609, 27954640, 29152696, 34943300, 36440870, 39935200, 51017218, 55909280, 58305392, 69886600, 72881740, 91102175, 102034436, 116610784, 127543045, 139773200, 145763480, 182204350, 204068872, 255086090, 279546400, 291526960, 364408700, 408137744, 510172180, 583053920, 637715225, 728817400, 816275488, 1020344360, 1275430450, 1457634800, 2040688720, 2550860900, 2915269600, 4081377440, 5101721800, 10203443600, 20406887200]

約数ペア:

[(1, 20406887200), (2, 10203443600), (4, 5101721800), (5, 4081377440), (7, 2915269600), (8, 2550860900), (10, 2040688720), (14, 1457634800), (16, 1275430450), (20, 1020344360), (25, 816275488), (28, 728817400), (32, 637715225), (35, 583053920), (40, 510172180), (50, 408137744), (56, 364408700), (70, 291526960), (73, 279546400), (80, 255086090), (100, 204068872), (112, 182204350), (140, 145763480), (146, 139773200), (160, 127543045), (175, 116610784), (200, 102034436), (224, 91102175), (280, 72881740), (292, 69886600), (350, 58305392), (365, 55909280), (400, 51017218), (511, 39935200), (560, 36440870), (584, 34943300), (700, 29152696), (730, 27954640), (800, 25508609), (1022, 19967600), (1120, 18220435), (1168, 17471650), (1400, 14576348), (1460, 13977320), (1825, 11181856), (2044, 9983800), (2336, 8735825), (2555, 7987040), (2800, 7288174), (2920, 6988660), (3650, 5590928), (4088, 4991900), (5110, 3993520), (5600, 3644087), (5840, 3494330), (7300, 2795464), (8176, 2495950), (10220, 1996760), (11680, 1747165), (12775, 1597408), (14600, 1397732), (16352, 1247975), (20440, 998380), (25550, 798704), (29200, 698866), (40880, 499190), (49919, 408800), (51100, 399352), (58400, 349433), (81760, 249595), (99838, 204400), (102200, 199676)]