42330980

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5441}}^1$

素因数の和:5839

約数の個数: 24

約数和(自身を含む): 89139960

約数和(自身を除く): 46808980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 5441, 7780, 10882, 21764, 27205, 54410, 108820, 2116549, 4233098, 8466196, 10582745, 21165490, 42330980]

約数ペア:

[(1, 42330980), (2, 21165490), (4, 10582745), (5, 8466196), (10, 4233098), (20, 2116549), (389, 108820), (778, 54410), (1556, 27205), (1945, 21764), (3890, 10882), (5441, 7780)]