13920040

素因数分解:

$2^3\times 5^1\times {\mathrm{348001}}^1$

素因数の和:348012

約数の個数: 16

約数和(自身を含む): 31320180

約数和(自身を除く): 17400140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 348001, 696002, 1392004, 1740005, 2784008, 3480010, 6960020, 13920040]

約数ペア:

[(1, 13920040), (2, 6960020), (4, 3480010), (5, 2784008), (8, 1740005), (10, 1392004), (20, 696002), (40, 348001)]