156601820

素因数分解:

$2^2\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{4903}}^1$

素因数の和:6509

約数の個数: 24

約数和(自身を含む): 329136864

約数和(自身を除く): 172535044

約数列:

[1, 2, 4, 5, 10, 20, 1597, 3194, 4903, 6388, 7985, 9806, 15970, 19612, 24515, 31940, 49030, 98060, 7830091, 15660182, 31320364, 39150455, 78300910, 156601820]

約数ペア:

[(1, 156601820), (2, 78300910), (4, 39150455), (5, 31320364), (10, 15660182), (20, 7830091), (1597, 98060), (3194, 49030), (4903, 31940), (6388, 24515), (7985, 19612), (9806, 15970)]