28096820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73939}}^1$

素因数の和:73967

約数の個数: 24

約数和(自身を含む): 62109600

約数和(自身を除く): 34012780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 73939, 147878, 295756, 369695, 739390, 1404841, 1478780, 2809682, 5619364, 7024205, 14048410, 28096820]

約数ペア:

[(1, 28096820), (2, 14048410), (4, 7024205), (5, 5619364), (10, 2809682), (19, 1478780), (20, 1404841), (38, 739390), (76, 369695), (95, 295756), (190, 147878), (380, 73939)]