28729180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{27103}}^1$

素因数の和:27165

約数の個数: 24

約数和(自身を含む): 61471872

約数和(自身を除く): 32742692

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 27103, 54206, 108412, 135515, 271030, 542060, 1436459, 2872918, 5745836, 7182295, 14364590, 28729180]

約数ペア:

[(1, 28729180), (2, 14364590), (4, 7182295), (5, 5745836), (10, 2872918), (20, 1436459), (53, 542060), (106, 271030), (212, 135515), (265, 108412), (530, 54206), (1060, 27103)]