2765320

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 6269400

約数和(自身を除く): 3504080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 269, 514, 538, 1028, 1076, 1285, 1345, 2056, 2152, 2570, 2690, 5140, 5380, 10280, 10760, 69133, 138266, 276532, 345665, 553064, 691330, 1382660, 2765320]

約数ペア:

[(1, 2765320), (2, 1382660), (4, 691330), (5, 553064), (8, 345665), (10, 276532), (20, 138266), (40, 69133), (257, 10760), (269, 10280), (514, 5380), (538, 5140), (1028, 2690), (1076, 2570), (1285, 2152), (1345, 2056)]