2505520

素因数分解:

$2^4\times 5^1\times {\mathrm{31319}}^1$

素因数の和:31332

約数の個数: 20

約数和(自身を含む): 5825520

約数和(自身を除く): 3320000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31319, 62638, 125276, 156595, 250552, 313190, 501104, 626380, 1252760, 2505520]

約数ペア:

[(1, 2505520), (2, 1252760), (4, 626380), (5, 501104), (8, 313190), (10, 250552), (16, 156595), (20, 125276), (40, 62638), (80, 31319)]