87690640

素因数分解:

$2^4\times 5^1\times {\mathrm{1096133}}^1$

素因数の和:1096146

約数の個数: 20

約数和(自身を含む): 203880924

約数和(自身を除く): 116190284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1096133, 2192266, 4384532, 5480665, 8769064, 10961330, 17538128, 21922660, 43845320, 87690640]

約数ペア:

[(1, 87690640), (2, 43845320), (4, 21922660), (5, 17538128), (8, 10961330), (10, 8769064), (16, 5480665), (20, 4384532), (40, 2192266), (80, 1096133)]