218133640

素因数分解:

$2^3\times 5^1\times {\mathrm{5453341}}^1$

素因数の和:5453352

約数の個数: 16

約数和(自身を含む): 490800780

約数和(自身を除く): 272667140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5453341, 10906682, 21813364, 27266705, 43626728, 54533410, 109066820, 218133640]

約数ペア:

[(1, 218133640), (2, 109066820), (4, 54533410), (5, 43626728), (8, 27266705), (10, 21813364), (20, 10906682), (40, 5453341)]