4982800

素因数分解:

$2^4\times 5^2\times {\mathrm{12457}}^1$

素因数の和:12475

約数の個数: 30

約数和(自身を含む): 11972138

約数和(自身を除く): 6989338

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 12457, 24914, 49828, 62285, 99656, 124570, 199312, 249140, 311425, 498280, 622850, 996560, 1245700, 2491400, 4982800]

約数ペア:

[(1, 4982800), (2, 2491400), (4, 1245700), (5, 996560), (8, 622850), (10, 498280), (16, 311425), (20, 249140), (25, 199312), (40, 124570), (50, 99656), (80, 62285), (100, 49828), (200, 24914), (400, 12457)]