90131180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{43753}}^1$

素因数の和:43865

約数の個数: 24

約数和(自身を含む): 191117472

約数和(自身を除く): 100986292

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 43753, 87506, 175012, 218765, 437530, 875060, 4506559, 9013118, 18026236, 22532795, 45065590, 90131180]

約数ペア:

[(1, 90131180), (2, 45065590), (4, 22532795), (5, 18026236), (10, 9013118), (20, 4506559), (103, 875060), (206, 437530), (412, 218765), (515, 175012), (1030, 87506), (2060, 43753)]