2561830.00000000

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{281053}}^1$

素因数の和:281074

約数の個数: 20

約数和(自身を含む): 121977436

約数和(自身を除く): 63518412

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 281053, 562106, 1124212, 2248424, 3653689, 4496848, 7307378, 14614756, 29229512, 58459024]

約数ペア:

[(1, 58459024), (2, 29229512), (4, 14614756), (8, 7307378), (13, 4496848), (16, 3653689), (26, 2248424), (52, 1124212), (104, 562106), (208, 281053)]