2080402568

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{720361}}^1$

素因数の和:720405

約数の個数: 24

約数和(自身を含む): 4116868830

約数和(自身を除く): 2036466262

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 720361, 1440722, 2881444, 5762888, 13686859, 27373718, 54747436, 109494872, 260050321, 520100642, 1040201284, 2080402568]

約数ペア:

[(1, 2080402568), (2, 1040201284), (4, 520100642), (8, 260050321), (19, 109494872), (38, 54747436), (76, 27373718), (152, 13686859), (361, 5762888), (722, 2881444), (1444, 1440722), (2888, 720361)]