2135720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 4860000

約数和(自身を除く): 2724280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 499, 535, 856, 998, 1070, 1996, 2140, 2495, 3992, 4280, 4990, 9980, 19960, 53393, 106786, 213572, 266965, 427144, 533930, 1067860, 2135720]

約数ペア:

[(1, 2135720), (2, 1067860), (4, 533930), (5, 427144), (8, 266965), (10, 213572), (20, 106786), (40, 53393), (107, 19960), (214, 9980), (428, 4990), (499, 4280), (535, 3992), (856, 2495), (998, 2140), (1070, 1996)]