23498740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{28657}}^1$

素因数の和:28707

約数の個数: 24

約数和(自身を含む): 50552712

約数和(自身を除く): 27053972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 28657, 57314, 114628, 143285, 286570, 573140, 1174937, 2349874, 4699748, 5874685, 11749370, 23498740]

約数ペア:

[(1, 23498740), (2, 11749370), (4, 5874685), (5, 4699748), (10, 2349874), (20, 1174937), (41, 573140), (82, 286570), (164, 143285), (205, 114628), (410, 57314), (820, 28657)]