12929780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4651}}^1$

素因数の和:4799

約数の個数: 24

約数和(自身を含む): 27353760

約数和(自身を除く): 14423980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4651, 9302, 18604, 23255, 46510, 93020, 646489, 1292978, 2585956, 3232445, 6464890, 12929780]

約数ペア:

[(1, 12929780), (2, 6464890), (4, 3232445), (5, 2585956), (10, 1292978), (20, 646489), (139, 93020), (278, 46510), (556, 23255), (695, 18604), (1390, 9302), (2780, 4651)]