80990815

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{859}}^1$

素因数の和:1146

約数の個数: 16

約数和(自身を含む): 98762400

約数和(自身を除く): 17771585

約数列:

[1, 5, 109, 173, 545, 859, 865, 4295, 18857, 93631, 94285, 148607, 468155, 743035, 16198163, 80990815]

約数ペア:

[(1, 80990815), (5, 16198163), (109, 743035), (173, 468155), (545, 148607), (859, 94285), (865, 93631), (4295, 18857)]