13142380

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1291}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 27674640

約数和(自身を除く): 14532260

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1291, 2036, 2545, 2582, 5090, 5164, 6455, 10180, 12910, 25820, 657119, 1314238, 2628476, 3285595, 6571190, 13142380]

約数ペア:

[(1, 13142380), (2, 6571190), (4, 3285595), (5, 2628476), (10, 1314238), (20, 657119), (509, 25820), (1018, 12910), (1291, 10180), (2036, 6455), (2545, 5164), (2582, 5090)]