13489180

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{857}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 28396368

約数和(自身を除く): 14907188

約数列:

[1, 2, 4, 5, 10, 20, 787, 857, 1574, 1714, 3148, 3428, 3935, 4285, 7870, 8570, 15740, 17140, 674459, 1348918, 2697836, 3372295, 6744590, 13489180]

約数ペア:

[(1, 13489180), (2, 6744590), (4, 3372295), (5, 2697836), (10, 1348918), (20, 674459), (787, 17140), (857, 15740), (1574, 8570), (1714, 7870), (3148, 4285), (3428, 3935)]