217492040

素因数分解:

$2^3\times 5^1\times {\mathrm{5437301}}^1$

素因数の和:5437312

約数の個数: 16

約数和(自身を含む): 489357180

約数和(自身を除く): 271865140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5437301, 10874602, 21749204, 27186505, 43498408, 54373010, 108746020, 217492040]

約数ペア:

[(1, 217492040), (2, 108746020), (4, 54373010), (5, 43498408), (8, 27186505), (10, 21749204), (20, 10874602), (40, 5437301)]