13180340

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{997}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 27748392

約数和(自身を除く): 14568052

約数列:

[1, 2, 4, 5, 10, 20, 661, 997, 1322, 1994, 2644, 3305, 3988, 4985, 6610, 9970, 13220, 19940, 659017, 1318034, 2636068, 3295085, 6590170, 13180340]

約数ペア:

[(1, 13180340), (2, 6590170), (4, 3295085), (5, 2636068), (10, 1318034), (20, 659017), (661, 19940), (997, 13220), (1322, 9970), (1994, 6610), (2644, 4985), (3305, 3988)]