4156820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10939}}^1$

素因数の和:10967

約数の個数: 24

約数和(自身を含む): 9189600

約数和(自身を除く): 5032780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 10939, 21878, 43756, 54695, 109390, 207841, 218780, 415682, 831364, 1039205, 2078410, 4156820]

約数ペア:

[(1, 4156820), (2, 2078410), (4, 1039205), (5, 831364), (10, 415682), (19, 218780), (20, 207841), (38, 109390), (76, 54695), (95, 43756), (190, 21878), (380, 10939)]