159891520

素因数分解:

$2^6\times 5^1\times {\mathrm{499661}}^1$

素因数の和:499678

約数の個数: 28

約数和(自身を含む): 380742444

約数和(自身を除く): 220850924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 499661, 999322, 1998644, 2498305, 3997288, 4996610, 7994576, 9993220, 15989152, 19986440, 31978304, 39972880, 79945760, 159891520]

約数ペア:

[(1, 159891520), (2, 79945760), (4, 39972880), (5, 31978304), (8, 19986440), (10, 15989152), (16, 9993220), (20, 7994576), (32, 4996610), (40, 3997288), (64, 2498305), (80, 1998644), (160, 999322), (320, 499661)]