50688640

素因数分解:

$2^7\times 5^1\times {\mathrm{79201}}^1$

素因数の和:79220

約数の個数: 32

約数和(自身を含む): 121179060

約数和(自身を除く): 70490420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 79201, 158402, 316804, 396005, 633608, 792010, 1267216, 1584020, 2534432, 3168040, 5068864, 6336080, 10137728, 12672160, 25344320, 50688640]

約数ペア:

[(1, 50688640), (2, 25344320), (4, 12672160), (5, 10137728), (8, 6336080), (10, 5068864), (16, 3168040), (20, 2534432), (32, 1584020), (40, 1267216), (64, 792010), (80, 633608), (128, 396005), (160, 316804), (320, 158402), (640, 79201)]