2693209390

素因数分解:

$2^1\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{129419}}^1$

素因数の和:131507

約数の個数: 16

約数和(自身を含む): 4850143920

約数和(自身を除く): 2156934530

約数列:

[1, 2, 5, 10, 2081, 4162, 10405, 20810, 129419, 258838, 647095, 1294190, 269320939, 538641878, 1346604695, 2693209390]

約数ペア:

[(1, 2693209390), (2, 1346604695), (5, 538641878), (10, 269320939), (2081, 1294190), (4162, 647095), (10405, 258838), (20810, 129419)]