25549600

素因数分解:

$2^5\times 5^2\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:422

約数の個数: 72

約数和(自身を含む): 63160020

約数和(自身を除く): 37610420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 109, 160, 200, 218, 293, 400, 436, 545, 586, 800, 872, 1090, 1172, 1465, 1744, 2180, 2344, 2725, 2930, 3488, 4360, 4688, 5450, 5860, 7325, 8720, 9376, 10900, 11720, 14650, 17440, 21800, 23440, 29300, 31937, 43600, 46880, 58600, 63874, 87200, 117200, 127748, 159685, 234400, 255496, 319370, 510992, 638740, 798425, 1021984, 1277480, 1596850, 2554960, 3193700, 5109920, 6387400, 12774800, 25549600]

約数ペア:

[(1, 25549600), (2, 12774800), (4, 6387400), (5, 5109920), (8, 3193700), (10, 2554960), (16, 1596850), (20, 1277480), (25, 1021984), (32, 798425), (40, 638740), (50, 510992), (80, 319370), (100, 255496), (109, 234400), (160, 159685), (200, 127748), (218, 117200), (293, 87200), (400, 63874), (436, 58600), (545, 46880), (586, 43600), (800, 31937), (872, 29300), (1090, 23440), (1172, 21800), (1465, 17440), (1744, 14650), (2180, 11720), (2344, 10900), (2725, 9376), (2930, 8720), (3488, 7325), (4360, 5860), (4688, 5450)]