55635640

素因数分解:

$2^3\times 5^1\times {\mathrm{1390891}}^1$

素因数の和:1390902

約数の個数: 16

約数和(自身を含む): 125180280

約数和(自身を除く): 69544640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1390891, 2781782, 5563564, 6954455, 11127128, 13908910, 27817820, 55635640]

約数ペア:

[(1, 55635640), (2, 27817820), (4, 13908910), (5, 11127128), (8, 6954455), (10, 5563564), (20, 2781782), (40, 1390891)]