19921600

素因数分解:

$2^6\times 5^2\times {\mathrm{12451}}^1$

素因数の和:12473

約数の個数: 42

約数和(自身を含む): 49023524

約数和(自身を除く): 29101924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12451, 24902, 49804, 62255, 99608, 124510, 199216, 249020, 311275, 398432, 498040, 622550, 796864, 996080, 1245100, 1992160, 2490200, 3984320, 4980400, 9960800, 19921600]

約数ペア:

[(1, 19921600), (2, 9960800), (4, 4980400), (5, 3984320), (8, 2490200), (10, 1992160), (16, 1245100), (20, 996080), (25, 796864), (32, 622550), (40, 498040), (50, 398432), (64, 311275), (80, 249020), (100, 199216), (160, 124510), (200, 99608), (320, 62255), (400, 49804), (800, 24902), (1600, 12451)]