6645820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17489}}^1$

素因数の和:17517

約数の個数: 24

約数和(自身を含む): 14691600

約数和(自身を除く): 8045780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 17489, 34978, 69956, 87445, 174890, 332291, 349780, 664582, 1329164, 1661455, 3322910, 6645820]

約数ペア:

[(1, 6645820), (2, 3322910), (4, 1661455), (5, 1329164), (10, 664582), (19, 349780), (20, 332291), (38, 174890), (76, 87445), (95, 69956), (190, 34978), (380, 17489)]