81425650

素因数分解:

$2^1\times 5^2\times {\mathrm{433}}^1\times {\mathrm{3761}}^1$

素因数の和:4206

約数の個数: 24

約数和(自身を含む): 151841844

約数和(自身を除く): 70416194

約数列:

[1, 2, 5, 10, 25, 50, 433, 866, 2165, 3761, 4330, 7522, 10825, 18805, 21650, 37610, 94025, 188050, 1628513, 3257026, 8142565, 16285130, 40712825, 81425650]

約数ペア:

[(1, 81425650), (2, 40712825), (5, 16285130), (10, 8142565), (25, 3257026), (50, 1628513), (433, 188050), (866, 94025), (2165, 37610), (3761, 21650), (4330, 18805), (7522, 10825)]