42108740

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{10909}}^1$

素因数の和:11111

約数の個数: 24

約数和(自身を含む): 88894680

約数和(自身を除く): 46785940

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 10909, 21818, 43636, 54545, 109090, 218180, 2105437, 4210874, 8421748, 10527185, 21054370, 42108740]

約数ペア:

[(1, 42108740), (2, 21054370), (4, 10527185), (5, 8421748), (10, 4210874), (20, 2105437), (193, 218180), (386, 109090), (772, 54545), (965, 43636), (1930, 21818), (3860, 10909)]