12397480

素因数分解:

$2^3\times 5^1\times {\mathrm{309937}}^1$

素因数の和:309948

約数の個数: 16

約数和(自身を含む): 27894420

約数和(自身を除く): 15496940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 309937, 619874, 1239748, 1549685, 2479496, 3099370, 6198740, 12397480]

約数ペア:

[(1, 12397480), (2, 6198740), (4, 3099370), (5, 2479496), (8, 1549685), (10, 1239748), (20, 619874), (40, 309937)]