80767390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2857}}^1$

素因数の和:3132

約数の個数: 32

約数和(自身を含む): 159270624

約数和(自身を除く): 78503234

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 514, 1285, 2570, 2827, 2857, 5654, 5714, 14135, 14285, 28270, 28570, 31427, 62854, 157135, 314270, 734249, 1468498, 3671245, 7342490, 8076739, 16153478, 40383695, 80767390]

約数ペア:

[(1, 80767390), (2, 40383695), (5, 16153478), (10, 8076739), (11, 7342490), (22, 3671245), (55, 1468498), (110, 734249), (257, 314270), (514, 157135), (1285, 62854), (2570, 31427), (2827, 28570), (2857, 28270), (5654, 14285), (5714, 14135)]