25390540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181361}}^1$

素因数の和:181377

約数の個数: 24

約数和(自身を含む): 60937632

約数和(自身を除く): 35547092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181361, 362722, 725444, 906805, 1269527, 1813610, 2539054, 3627220, 5078108, 6347635, 12695270, 25390540]

約数ペア:

[(1, 25390540), (2, 12695270), (4, 6347635), (5, 5078108), (7, 3627220), (10, 2539054), (14, 1813610), (20, 1269527), (28, 906805), (35, 725444), (70, 362722), (140, 181361)]