12681040

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{541}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 29638728

約数和(自身を除く): 16957688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 541, 586, 1082, 1172, 1465, 2164, 2344, 2705, 2930, 4328, 4688, 5410, 5860, 8656, 10820, 11720, 21640, 23440, 43280, 158513, 317026, 634052, 792565, 1268104, 1585130, 2536208, 3170260, 6340520, 12681040]

約数ペア:

[(1, 12681040), (2, 6340520), (4, 3170260), (5, 2536208), (8, 1585130), (10, 1268104), (16, 792565), (20, 634052), (40, 317026), (80, 158513), (293, 43280), (541, 23440), (586, 21640), (1082, 11720), (1172, 10820), (1465, 8656), (2164, 5860), (2344, 5410), (2705, 4688), (2930, 4328)]