54040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 139680

約数和(自身を除く): 85640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1351, 1544, 1930, 2702, 3860, 5404, 6755, 7720, 10808, 13510, 27020, 54040]

約数ペア:

[(1, 54040), (2, 27020), (4, 13510), (5, 10808), (7, 7720), (8, 6755), (10, 5404), (14, 3860), (20, 2702), (28, 1930), (35, 1544), (40, 1351), (56, 965), (70, 772), (140, 386), (193, 280)]