22051280

素因数分解:

$2^4\times 5^1\times {\mathrm{275641}}^1$

素因数の和:275654

約数の個数: 20

約数和(自身を含む): 51269412

約数和(自身を除く): 29218132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 275641, 551282, 1102564, 1378205, 2205128, 2756410, 4410256, 5512820, 11025640, 22051280]

約数ペア:

[(1, 22051280), (2, 11025640), (4, 5512820), (5, 4410256), (8, 2756410), (10, 2205128), (16, 1378205), (20, 1102564), (40, 551282), (80, 275641)]