27403220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105397}}^1$

素因数の和:105419

約数の個数: 24

約数和(自身を含む): 61974024

約数和(自身を除く): 34570804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 105397, 210794, 421588, 526985, 1053970, 1370161, 2107940, 2740322, 5480644, 6850805, 13701610, 27403220]

約数ペア:

[(1, 27403220), (2, 13701610), (4, 6850805), (5, 5480644), (10, 2740322), (13, 2107940), (20, 1370161), (26, 1053970), (52, 526985), (65, 421588), (130, 210794), (260, 105397)]