12557420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4583}}^1$

素因数の和:4729

約数の個数: 24

約数和(自身を含む): 26568864

約数和(自身を除く): 14011444

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 4583, 9166, 18332, 22915, 45830, 91660, 627871, 1255742, 2511484, 3139355, 6278710, 12557420]

約数ペア:

[(1, 12557420), (2, 6278710), (4, 3139355), (5, 2511484), (10, 1255742), (20, 627871), (137, 91660), (274, 45830), (548, 22915), (685, 18332), (1370, 9166), (2740, 4583)]