12763900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1171}}^1$

素因数の和:1294

約数の個数: 36

約数和(自身を含む): 27975640

約数和(自身を除く): 15211740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 1171, 2180, 2342, 2725, 4684, 5450, 5855, 10900, 11710, 23420, 29275, 58550, 117100, 127639, 255278, 510556, 638195, 1276390, 2552780, 3190975, 6381950, 12763900]

約数ペア:

[(1, 12763900), (2, 6381950), (4, 3190975), (5, 2552780), (10, 1276390), (20, 638195), (25, 510556), (50, 255278), (100, 127639), (109, 117100), (218, 58550), (436, 29275), (545, 23420), (1090, 11710), (1171, 10900), (2180, 5855), (2342, 5450), (2725, 4684)]