54405940

素因数分解:

$2^2\times 5^1\times {\mathrm{2720297}}^1$

素因数の和:2720306

約数の個数: 12

約数和(自身を含む): 114252516

約数和(自身を除く): 59846576

約数列:

[1, 2, 4, 5, 10, 20, 2720297, 5440594, 10881188, 13601485, 27202970, 54405940]

約数ペア:

[(1, 54405940), (2, 27202970), (4, 13601485), (5, 10881188), (10, 5440594), (20, 2720297)]