239828440

素因数分解:

$2^3\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{5651}}^1$

素因数の和:6723

約数の個数: 32

約数和(自身を含む): 540218160

約数和(自身を除く): 300389720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1061, 2122, 4244, 5305, 5651, 8488, 10610, 11302, 21220, 22604, 28255, 42440, 45208, 56510, 113020, 226040, 5995711, 11991422, 23982844, 29978555, 47965688, 59957110, 119914220, 239828440]

約数ペア:

[(1, 239828440), (2, 119914220), (4, 59957110), (5, 47965688), (8, 29978555), (10, 23982844), (20, 11991422), (40, 5995711), (1061, 226040), (2122, 113020), (4244, 56510), (5305, 45208), (5651, 42440), (8488, 28255), (10610, 22604), (11302, 21220)]