6678940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3121}}^1$

素因数の和:3237

約数の個数: 24

約数和(自身を含む): 14161392

約数和(自身を除く): 7482452

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 3121, 6242, 12484, 15605, 31210, 62420, 333947, 667894, 1335788, 1669735, 3339470, 6678940]

約数ペア:

[(1, 6678940), (2, 3339470), (4, 1669735), (5, 1335788), (10, 667894), (20, 333947), (107, 62420), (214, 31210), (428, 15605), (535, 12484), (1070, 6242), (2140, 3121)]