12876040

素因数分解:

$2^3\times 5^1\times {\mathrm{321901}}^1$

素因数の和:321912

約数の個数: 16

約数和(自身を含む): 28971180

約数和(自身を除く): 16095140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 321901, 643802, 1287604, 1609505, 2575208, 3219010, 6438020, 12876040]

約数ペア:

[(1, 12876040), (2, 6438020), (4, 3219010), (5, 2575208), (8, 1609505), (10, 1287604), (20, 643802), (40, 321901)]