51354260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23557}}^1$

素因数の和:23675

約数の個数: 24

約数和(自身を含む): 108837960

約数和(自身を除く): 57483700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 23557, 47114, 94228, 117785, 235570, 471140, 2567713, 5135426, 10270852, 12838565, 25677130, 51354260]

約数ペア:

[(1, 51354260), (2, 25677130), (4, 12838565), (5, 10270852), (10, 5135426), (20, 2567713), (109, 471140), (218, 235570), (436, 117785), (545, 94228), (1090, 47114), (2180, 23557)]