2656580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6991}}^1$

素因数の和:7019

約数の個数: 24

約数和(自身を含む): 5873280

約数和(自身を除く): 3216700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 6991, 13982, 27964, 34955, 69910, 132829, 139820, 265658, 531316, 664145, 1328290, 2656580]

約数ペア:

[(1, 2656580), (2, 1328290), (4, 664145), (5, 531316), (10, 265658), (19, 139820), (20, 132829), (38, 69910), (76, 34955), (95, 27964), (190, 13982), (380, 6991)]