2513540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1153}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 5331480

約数和(自身を除く): 2817940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1153, 2180, 2306, 4612, 5765, 11530, 23060, 125677, 251354, 502708, 628385, 1256770, 2513540]

約数ペア:

[(1, 2513540), (2, 1256770), (4, 628385), (5, 502708), (10, 251354), (20, 125677), (109, 23060), (218, 11530), (436, 5765), (545, 4612), (1090, 2306), (1153, 2180)]