80642556

素因数分解:

$2^2\times 3^2\times {\mathrm{2240071}}^1$

素因数の和:2240081

約数の個数: 18

約数和(自身を含む): 203846552

約数和(自身を除く): 123203996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2240071, 4480142, 6720213, 8960284, 13440426, 20160639, 26880852, 40321278, 80642556]

約数ペア:

[(1, 80642556), (2, 40321278), (3, 26880852), (4, 20160639), (6, 13440426), (9, 8960284), (12, 6720213), (18, 4480142), (36, 2240071)]