40781236

素因数分解:

$2^2\times {\mathrm{211}}^2\times {\mathrm{229}}^1$

素因数の和:655

約数の個数: 18

約数和(自身を含む): 72020130

約数和(自身を除く): 31238894

約数列:

[1, 2, 4, 211, 229, 422, 458, 844, 916, 44521, 48319, 89042, 96638, 178084, 193276, 10195309, 20390618, 40781236]

約数ペア:

[(1, 40781236), (2, 20390618), (4, 10195309), (211, 193276), (229, 178084), (422, 96638), (458, 89042), (844, 48319), (916, 44521)]