87765320

素因数分解:

$2^3\times 5^1\times {\mathrm{2194133}}^1$

素因数の和:2194144

約数の個数: 16

約数和(自身を含む): 197472060

約数和(自身を除く): 109706740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2194133, 4388266, 8776532, 10970665, 17553064, 21941330, 43882660, 87765320]

約数ペア:

[(1, 87765320), (2, 43882660), (4, 21941330), (5, 17553064), (8, 10970665), (10, 8776532), (20, 4388266), (40, 2194133)]