28497860

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5297}}^1$

素因数の和:5575

約数の個数: 24

約数和(自身を含む): 60079320

約数和(自身を除く): 31581460

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5297, 5380, 10594, 21188, 26485, 52970, 105940, 1424893, 2849786, 5699572, 7124465, 14248930, 28497860]

約数ペア:

[(1, 28497860), (2, 14248930), (4, 7124465), (5, 5699572), (10, 2849786), (20, 1424893), (269, 105940), (538, 52970), (1076, 26485), (1345, 21188), (2690, 10594), (5297, 5380)]