1221366100

素因数分解:

$2^2\times 5^2\times {\mathrm{12213661}}^1$

素因数の和:12213675

約数の個数: 18

約数和(自身を含む): 2650364654

約数和(自身を除く): 1428998554

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 12213661, 24427322, 48854644, 61068305, 122136610, 244273220, 305341525, 610683050, 1221366100]

約数ペア:

[(1, 1221366100), (2, 610683050), (4, 305341525), (5, 244273220), (10, 122136610), (20, 61068305), (25, 48854644), (50, 24427322), (100, 12213661)]