4080640048

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{2008189}}^1$

素因数の和:2008324

約数の個数: 20

約数和(自身を含む): 7968497920

約数和(自身を除く): 3887857872

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 2008189, 4016378, 8032756, 16065512, 32131024, 255040003, 510080006, 1020160012, 2040320024, 4080640048]

約数ペア:

[(1, 4080640048), (2, 2040320024), (4, 1020160012), (8, 510080006), (16, 255040003), (127, 32131024), (254, 16065512), (508, 8032756), (1016, 4016378), (2032, 2008189)]