4271440

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 10044000

約数和(自身を除く): 5772560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 499, 535, 856, 998, 1070, 1712, 1996, 2140, 2495, 3992, 4280, 4990, 7984, 8560, 9980, 19960, 39920, 53393, 106786, 213572, 266965, 427144, 533930, 854288, 1067860, 2135720, 4271440]

約数ペア:

[(1, 4271440), (2, 2135720), (4, 1067860), (5, 854288), (8, 533930), (10, 427144), (16, 266965), (20, 213572), (40, 106786), (80, 53393), (107, 39920), (214, 19960), (428, 9980), (499, 8560), (535, 7984), (856, 4990), (998, 4280), (1070, 3992), (1712, 2495), (1996, 2140)]