80673488

素因数分解:

$2^4\times 7^1\times {\mathrm{720299}}^1$

素因数の和:720314

約数の個数: 20

約数和(自身を含む): 178634400

約数和(自身を除く): 97960912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 720299, 1440598, 2881196, 5042093, 5762392, 10084186, 11524784, 20168372, 40336744, 80673488]

約数ペア:

[(1, 80673488), (2, 40336744), (4, 20168372), (7, 11524784), (8, 10084186), (14, 5762392), (16, 5042093), (28, 2881196), (56, 1440598), (112, 720299)]