38429420

素因数分解:

$2^2\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{1811}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 80822448

約数和(自身を除く): 42393028

約数列:

[1, 2, 4, 5, 10, 20, 1061, 1811, 2122, 3622, 4244, 5305, 7244, 9055, 10610, 18110, 21220, 36220, 1921471, 3842942, 7685884, 9607355, 19214710, 38429420]

約数ペア:

[(1, 38429420), (2, 19214710), (4, 9607355), (5, 7685884), (10, 3842942), (20, 1921471), (1061, 36220), (1811, 21220), (2122, 18110), (3622, 10610), (4244, 9055), (5305, 7244)]