80494090

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{19211}}^1$

素因数の和:19637

約数の個数: 16

約数和(自身を含む): 145242720

約数和(自身を除く): 64748630

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 19211, 38422, 96055, 192110, 8049409, 16098818, 40247045, 80494090]

約数ペア:

[(1, 80494090), (2, 40247045), (5, 16098818), (10, 8049409), (419, 192110), (838, 96055), (2095, 38422), (4190, 19211)]