8949940

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{677}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 18851112

約数和(自身を除く): 9901172

約数列:

[1, 2, 4, 5, 10, 20, 661, 677, 1322, 1354, 2644, 2708, 3305, 3385, 6610, 6770, 13220, 13540, 447497, 894994, 1789988, 2237485, 4474970, 8949940]

約数ペア:

[(1, 8949940), (2, 4474970), (4, 2237485), (5, 1789988), (10, 894994), (20, 447497), (661, 13540), (677, 13220), (1322, 6770), (1354, 6610), (2644, 3385), (2708, 3305)]