13242380

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2129}}^1$

素因数の和:2449

約数の個数: 24

約数和(自身を含む): 27911520

約数和(自身を除く): 14669140

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 2129, 3110, 4258, 6220, 8516, 10645, 21290, 42580, 662119, 1324238, 2648476, 3310595, 6621190, 13242380]

約数ペア:

[(1, 13242380), (2, 6621190), (4, 3310595), (5, 2648476), (10, 1324238), (20, 662119), (311, 42580), (622, 21290), (1244, 10645), (1555, 8516), (2129, 6220), (3110, 4258)]