80533480

素因数分解:

$2^3\times 5^1\times {\mathrm{2013337}}^1$

素因数の和:2013348

約数の個数: 16

約数和(自身を含む): 181200420

約数和(自身を除く): 100666940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2013337, 4026674, 8053348, 10066685, 16106696, 20133370, 40266740, 80533480]

約数ペア:

[(1, 80533480), (2, 40266740), (4, 20133370), (5, 16106696), (8, 10066685), (10, 8053348), (20, 4026674), (40, 2013337)]