25712860

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7103}}^1$

素因数の和:7293

約数の個数: 24

約数和(自身を含む): 54302976

約数和(自身を除く): 28590116

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 7103, 14206, 28412, 35515, 71030, 142060, 1285643, 2571286, 5142572, 6428215, 12856430, 25712860]

約数ペア:

[(1, 25712860), (2, 12856430), (4, 6428215), (5, 5142572), (10, 2571286), (20, 1285643), (181, 142060), (362, 71030), (724, 35515), (905, 28412), (1810, 14206), (3620, 7103)]