57105560

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2861}}^1$

素因数の和:3371

約数の個数: 32

約数和(自身を含む): 128790000

約数和(自身を除く): 71684440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 2861, 3992, 4990, 5722, 9980, 11444, 14305, 19960, 22888, 28610, 57220, 114440, 1427639, 2855278, 5710556, 7138195, 11421112, 14276390, 28552780, 57105560]

約数ペア:

[(1, 57105560), (2, 28552780), (4, 14276390), (5, 11421112), (8, 7138195), (10, 5710556), (20, 2855278), (40, 1427639), (499, 114440), (998, 57220), (1996, 28610), (2495, 22888), (2861, 19960), (3992, 14305), (4990, 11444), (5722, 9980)]