25521460

素因数分解:

$2^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1489}}^1$

素因数の和:2355

約数の個数: 24

約数和(自身を含む): 53693640

約数和(自身を除く): 28172180

約数列:

[1, 2, 4, 5, 10, 20, 857, 1489, 1714, 2978, 3428, 4285, 5956, 7445, 8570, 14890, 17140, 29780, 1276073, 2552146, 5104292, 6380365, 12760730, 25521460]

約数ペア:

[(1, 25521460), (2, 12760730), (4, 6380365), (5, 5104292), (10, 2552146), (20, 1276073), (857, 29780), (1489, 17140), (1714, 14890), (2978, 8570), (3428, 7445), (4285, 5956)]