2768080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4943}}^1$

素因数の和:4963

約数の個数: 40

約数和(自身を含む): 7356672

約数和(自身を除く): 4588592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4943, 9886, 19772, 24715, 34601, 39544, 49430, 69202, 79088, 98860, 138404, 173005, 197720, 276808, 346010, 395440, 553616, 692020, 1384040, 2768080]

約数ペア:

[(1, 2768080), (2, 1384040), (4, 692020), (5, 553616), (7, 395440), (8, 346010), (10, 276808), (14, 197720), (16, 173005), (20, 138404), (28, 98860), (35, 79088), (40, 69202), (56, 49430), (70, 39544), (80, 34601), (112, 24715), (140, 19772), (280, 9886), (560, 4943)]