81336740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{176819}}^1$

素因数の和:176851

約数の個数: 24

約数和(自身を含む): 178234560

約数和(自身を除く): 96897820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 176819, 353638, 707276, 884095, 1768190, 3536380, 4066837, 8133674, 16267348, 20334185, 40668370, 81336740]

約数ペア:

[(1, 81336740), (2, 40668370), (4, 20334185), (5, 16267348), (10, 8133674), (20, 4066837), (23, 3536380), (46, 1768190), (92, 884095), (115, 707276), (230, 353638), (460, 176819)]