78568060

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{40499}}^1$

素因数の和:40605

約数の個数: 24

約数和(自身を含む): 166698000

約数和(自身を除く): 88129940

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 40499, 80998, 161996, 202495, 404990, 809980, 3928403, 7856806, 15713612, 19642015, 39284030, 78568060]

約数ペア:

[(1, 78568060), (2, 39284030), (4, 19642015), (5, 15713612), (10, 7856806), (20, 3928403), (97, 809980), (194, 404990), (388, 202495), (485, 161996), (970, 80998), (1940, 40499)]