25398940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181421}}^1$

素因数の和:181437

約数の個数: 24

約数和(自身を含む): 60957792

約数和(自身を除く): 35558852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181421, 362842, 725684, 907105, 1269947, 1814210, 2539894, 3628420, 5079788, 6349735, 12699470, 25398940]

約数ペア:

[(1, 25398940), (2, 12699470), (4, 6349735), (5, 5079788), (7, 3628420), (10, 2539894), (14, 1814210), (20, 1269947), (28, 907105), (35, 725684), (70, 362842), (140, 181421)]