78084620

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{20441}}^1$

素因数の和:20641

約数の個数: 24

約数和(自身を含む): 164844288

約数和(自身を除く): 86759668

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 20441, 40882, 81764, 102205, 204410, 408820, 3904231, 7808462, 15616924, 19521155, 39042310, 78084620]

約数ペア:

[(1, 78084620), (2, 39042310), (4, 19521155), (5, 15616924), (10, 7808462), (20, 3904231), (191, 408820), (382, 204410), (764, 102205), (955, 81764), (1910, 40882), (3820, 20441)]