2189675560

素因数分解:

$2^3\times 5^1\times {\mathrm{54741889}}^1$

素因数の和:54741900

約数の個数: 16

約数和(自身を含む): 4926770100

約数和(自身を除く): 2737094540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54741889, 109483778, 218967556, 273709445, 437935112, 547418890, 1094837780, 2189675560]

約数ペア:

[(1, 2189675560), (2, 1094837780), (4, 547418890), (5, 437935112), (8, 273709445), (10, 218967556), (20, 109483778), (40, 54741889)]