25401460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181439}}^1$

素因数の和:181455

約数の個数: 24

約数和(自身を含む): 60963840

約数和(自身を除く): 35562380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181439, 362878, 725756, 907195, 1270073, 1814390, 2540146, 3628780, 5080292, 6350365, 12700730, 25401460]

約数ペア:

[(1, 25401460), (2, 12700730), (4, 6350365), (5, 5080292), (7, 3628780), (10, 2540146), (14, 1814390), (20, 1270073), (28, 907195), (35, 725756), (70, 362878), (140, 181439)]