2581420

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{383}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 5451264

約数和(自身を除く): 2869844

約数列:

[1, 2, 4, 5, 10, 20, 337, 383, 674, 766, 1348, 1532, 1685, 1915, 3370, 3830, 6740, 7660, 129071, 258142, 516284, 645355, 1290710, 2581420]

約数ペア:

[(1, 2581420), (2, 1290710), (4, 645355), (5, 516284), (10, 258142), (20, 129071), (337, 7660), (383, 6740), (674, 3830), (766, 3370), (1348, 1915), (1532, 1685)]