25328140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66653}}^1$

素因数の和:66681

約数の個数: 24

約数和(自身を含む): 55989360

約数和(自身を除く): 30661220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 66653, 133306, 266612, 333265, 666530, 1266407, 1333060, 2532814, 5065628, 6332035, 12664070, 25328140]

約数ペア:

[(1, 25328140), (2, 12664070), (4, 6332035), (5, 5065628), (10, 2532814), (19, 1333060), (20, 1266407), (38, 666530), (76, 333265), (95, 266612), (190, 133306), (380, 66653)]