12755560

素因数分解:

$2^3\times 5^1\times {\mathrm{318889}}^1$

素因数の和:318900

約数の個数: 16

約数和(自身を含む): 28700100

約数和(自身を除く): 15944540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 318889, 637778, 1275556, 1594445, 2551112, 3188890, 6377780, 12755560]

約数ペア:

[(1, 12755560), (2, 6377780), (4, 3188890), (5, 2551112), (8, 1594445), (10, 1275556), (20, 637778), (40, 318889)]