1261896526120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{733660771}}^1$

素因数の和:733660825

約数の個数: 32

約数和(自身を含む): 2905296657120

約数和(自身を除く): 1643400131000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 733660771, 1467321542, 2934643084, 3668303855, 5869286168, 7336607710, 14673215420, 29346430840, 31547413153, 63094826306, 126189652612, 157737065765, 252379305224, 315474131530, 630948263060, 1261896526120]

約数ペア:

[(1, 1261896526120), (2, 630948263060), (4, 315474131530), (5, 252379305224), (8, 157737065765), (10, 126189652612), (20, 63094826306), (40, 31547413153), (43, 29346430840), (86, 14673215420), (172, 7336607710), (215, 5869286168), (344, 3668303855), (430, 2934643084), (860, 1467321542), (1720, 733660771)]