13280522020

素因数分解:

$2^2\times 5^1\times {\mathrm{664026101}}^1$

素因数の和:664026110

約数の個数: 12

約数和(自身を含む): 27889096284

約数和(自身を除く): 14608574264

約数列:

[1, 2, 4, 5, 10, 20, 664026101, 1328052202, 2656104404, 3320130505, 6640261010, 13280522020]

約数ペア:

[(1, 13280522020), (2, 6640261010), (4, 3320130505), (5, 2656104404), (10, 1328052202), (20, 664026101)]