13740520

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1277}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 31055400

約数和(自身を除く): 17314880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1277, 1345, 2152, 2554, 2690, 5108, 5380, 6385, 10216, 10760, 12770, 25540, 51080, 343513, 687026, 1374052, 1717565, 2748104, 3435130, 6870260, 13740520]

約数ペア:

[(1, 13740520), (2, 6870260), (4, 3435130), (5, 2748104), (8, 1717565), (10, 1374052), (20, 687026), (40, 343513), (269, 51080), (538, 25540), (1076, 12770), (1277, 10760), (1345, 10216), (2152, 6385), (2554, 5380), (2690, 5108)]