27767680

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 67993200

約数和(自身を除く): 40225520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1009, 1376, 1720, 2018, 2752, 3440, 4036, 5045, 5504, 6880, 8072, 10090, 13760, 16144, 20180, 27520, 32288, 40360, 43387, 64576, 80720, 86774, 129152, 161440, 173548, 216935, 322880, 347096, 433870, 645760, 694192, 867740, 1388384, 1735480, 2776768, 3470960, 5553536, 6941920, 13883840, 27767680]

約数ペア:

[(1, 27767680), (2, 13883840), (4, 6941920), (5, 5553536), (8, 3470960), (10, 2776768), (16, 1735480), (20, 1388384), (32, 867740), (40, 694192), (43, 645760), (64, 433870), (80, 347096), (86, 322880), (128, 216935), (160, 173548), (172, 161440), (215, 129152), (320, 86774), (344, 80720), (430, 64576), (640, 43387), (688, 40360), (860, 32288), (1009, 27520), (1376, 20180), (1720, 16144), (2018, 13760), (2752, 10090), (3440, 8072), (4036, 6880), (5045, 5504)]