7680220

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2803}}^1$

素因数の和:2949

約数の個数: 24

約数和(自身を含む): 16251984

約数和(自身を除く): 8571764

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 2803, 5606, 11212, 14015, 28030, 56060, 384011, 768022, 1536044, 1920055, 3840110, 7680220]

約数ペア:

[(1, 7680220), (2, 3840110), (4, 1920055), (5, 1536044), (10, 768022), (20, 384011), (137, 56060), (274, 28030), (548, 14015), (685, 11212), (1370, 5606), (2740, 2803)]