15038740

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1933}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 31678920

約数和(自身を除く): 16640180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1933, 1945, 3866, 3890, 7732, 7780, 9665, 19330, 38660, 751937, 1503874, 3007748, 3759685, 7519370, 15038740]

約数ペア:

[(1, 15038740), (2, 7519370), (4, 3759685), (5, 3007748), (10, 1503874), (20, 751937), (389, 38660), (778, 19330), (1556, 9665), (1933, 7780), (1945, 7732), (3866, 3890)]