2647352020

素因数分解:

$2^2\times 5^1\times {\mathrm{132367601}}^1$

素因数の和:132367610

約数の個数: 12

約数和(自身を含む): 5559439284

約数和(自身を除く): 2912087264

約数列:

[1, 2, 4, 5, 10, 20, 132367601, 264735202, 529470404, 661838005, 1323676010, 2647352020]

約数ペア:

[(1, 2647352020), (2, 1323676010), (4, 661838005), (5, 529470404), (10, 264735202), (20, 132367601)]