26415640

素因数分解:

$2^3\times 5^1\times {\mathrm{660391}}^1$

素因数の和:660402

約数の個数: 16

約数和(自身を含む): 59435280

約数和(自身を除く): 33019640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 660391, 1320782, 2641564, 3301955, 5283128, 6603910, 13207820, 26415640]

約数ペア:

[(1, 26415640), (2, 13207820), (4, 6603910), (5, 5283128), (8, 3301955), (10, 2641564), (20, 1320782), (40, 660391)]