90210865

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{10733}}^1$

素因数の和:10820

約数の個数: 12

約数和(自身を含む): 110968092

約数和(自身を除く): 20757227

約数列:

[1, 5, 41, 205, 1681, 8405, 10733, 53665, 440053, 2200265, 18042173, 90210865]

約数ペア:

[(1, 90210865), (5, 18042173), (41, 2200265), (205, 440053), (1681, 53665), (8405, 10733)]