80672368

素因数分解:

$2^4\times 7^1\times {\mathrm{720289}}^1$

素因数の和:720304

約数の個数: 20

約数和(自身を含む): 178631920

約数和(自身を除く): 97959552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 720289, 1440578, 2881156, 5042023, 5762312, 10084046, 11524624, 20168092, 40336184, 80672368]

約数ペア:

[(1, 80672368), (2, 40336184), (4, 20168092), (7, 11524624), (8, 10084046), (14, 5762312), (16, 5042023), (28, 2881156), (56, 1440578), (112, 720289)]