25428740

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{7103}}^1$

素因数の和:7291

約数の個数: 24

約数和(自身を含む): 53706240

約数和(自身を除く): 28277500

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 7103, 14206, 28412, 35515, 71030, 142060, 1271437, 2542874, 5085748, 6357185, 12714370, 25428740]

約数ペア:

[(1, 25428740), (2, 12714370), (4, 6357185), (5, 5085748), (10, 2542874), (20, 1271437), (179, 142060), (358, 71030), (716, 35515), (895, 28412), (1790, 14206), (3580, 7103)]