2520880

素因数分解:

$2^4\times 5^1\times {\mathrm{31511}}^1$

素因数の和:31524

約数の個数: 20

約数和(自身を含む): 5861232

約数和(自身を除く): 3340352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31511, 63022, 126044, 157555, 252088, 315110, 504176, 630220, 1260440, 2520880]

約数ペア:

[(1, 2520880), (2, 1260440), (4, 630220), (5, 504176), (8, 315110), (10, 252088), (16, 157555), (20, 126044), (40, 63022), (80, 31511)]