2187800

素因数分解:

$2^3\times 5^2\times {\mathrm{10939}}^1$

素因数の和:10955

約数の個数: 24

約数和(自身を含む): 5087100

約数和(自身を除く): 2899300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 10939, 21878, 43756, 54695, 87512, 109390, 218780, 273475, 437560, 546950, 1093900, 2187800]

約数ペア:

[(1, 2187800), (2, 1093900), (4, 546950), (5, 437560), (8, 273475), (10, 218780), (20, 109390), (25, 87512), (40, 54695), (50, 43756), (100, 21878), (200, 10939)]