8357081420

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2165047}}^1$

素因数の和:2165249

約数の個数: 24

約数和(自身を含む): 17640811104

約数和(自身を除く): 9283729684

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 2165047, 4330094, 8660188, 10825235, 21650470, 43300940, 417854071, 835708142, 1671416284, 2089270355, 4178540710, 8357081420]

約数ペア:

[(1, 8357081420), (2, 4178540710), (4, 2089270355), (5, 1671416284), (10, 835708142), (20, 417854071), (193, 43300940), (386, 21650470), (772, 10825235), (965, 8660188), (1930, 4330094), (3860, 2165047)]