15551180

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3947}}^1$

素因数の和:4153

約数の個数: 24

約数和(自身を含む): 32831568

約数和(自身を除く): 17280388

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 3947, 7894, 15788, 19735, 39470, 78940, 777559, 1555118, 3110236, 3887795, 7775590, 15551180]

約数ペア:

[(1, 15551180), (2, 7775590), (4, 3887795), (5, 3110236), (10, 1555118), (20, 777559), (197, 78940), (394, 39470), (788, 19735), (985, 15788), (1970, 7894), (3940, 3947)]