51772880

素因数分解:

$2^4\times 5^1\times {\mathrm{647161}}^1$

素因数の和:647174

約数の個数: 20

約数和(自身を含む): 120372132

約数和(自身を除く): 68599252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647161, 1294322, 2588644, 3235805, 5177288, 6471610, 10354576, 12943220, 25886440, 51772880]

約数ペア:

[(1, 51772880), (2, 25886440), (4, 12943220), (5, 10354576), (8, 6471610), (10, 5177288), (16, 3235805), (20, 2588644), (40, 1294322), (80, 647161)]