51560644

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{19501}}^1$

素因数の和:20166

約数の個数: 12

約数和(自身を含む): 90372268

約数和(自身を除く): 38811624

約数列:

[1, 2, 4, 661, 1322, 2644, 19501, 39002, 78004, 12890161, 25780322, 51560644]

約数ペア:

[(1, 51560644), (2, 25780322), (4, 12890161), (661, 78004), (1322, 39002), (2644, 19501)]