6728980

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{661}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 14180040

約数和(自身を除く): 7451060

約数列:

[1, 2, 4, 5, 10, 20, 509, 661, 1018, 1322, 2036, 2545, 2644, 3305, 5090, 6610, 10180, 13220, 336449, 672898, 1345796, 1682245, 3364490, 6728980]

約数ペア:

[(1, 6728980), (2, 3364490), (4, 1682245), (5, 1345796), (10, 672898), (20, 336449), (509, 13220), (661, 10180), (1018, 6610), (1322, 5090), (2036, 3305), (2545, 2644)]