13220290

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9511}}^1$

素因数の和:9657

約数の個数: 16

約数和(自身を含む): 23970240

約数和(自身を除く): 10749950

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 9511, 19022, 47555, 95110, 1322029, 2644058, 6610145, 13220290]

約数ペア:

[(1, 13220290), (2, 6610145), (5, 2644058), (10, 1322029), (139, 95110), (278, 47555), (695, 19022), (1390, 9511)]