13157080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3391}}^1$

素因数の和:3499

約数の個数: 32

約数和(自身を含む): 29917440

約数和(自身を除く): 16760360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3391, 3880, 6782, 13564, 16955, 27128, 33910, 67820, 135640, 328927, 657854, 1315708, 1644635, 2631416, 3289270, 6578540, 13157080]

約数ペア:

[(1, 13157080), (2, 6578540), (4, 3289270), (5, 2631416), (8, 1644635), (10, 1315708), (20, 657854), (40, 328927), (97, 135640), (194, 67820), (388, 33910), (485, 27128), (776, 16955), (970, 13564), (1940, 6782), (3391, 3880)]