12847400

素因数分解:

$2^3\times 5^2\times {\mathrm{64237}}^1$

素因数の和:64253

約数の個数: 24

約数和(自身を含む): 29870670

約数和(自身を除く): 17023270

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 64237, 128474, 256948, 321185, 513896, 642370, 1284740, 1605925, 2569480, 3211850, 6423700, 12847400]

約数ペア:

[(1, 12847400), (2, 6423700), (4, 3211850), (5, 2569480), (8, 1605925), (10, 1284740), (20, 642370), (25, 513896), (40, 321185), (50, 256948), (100, 128474), (200, 64237)]