15040540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17489}}^1$

素因数の和:17541

約数の個数: 24

約数和(自身を含む): 32321520

約数和(自身を除く): 17280980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 17489, 34978, 69956, 87445, 174890, 349780, 752027, 1504054, 3008108, 3760135, 7520270, 15040540]

約数ペア:

[(1, 15040540), (2, 7520270), (4, 3760135), (5, 3008108), (10, 1504054), (20, 752027), (43, 349780), (86, 174890), (172, 87445), (215, 69956), (430, 34978), (860, 17489)]