12886880

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 30663360

約数和(自身を除く): 17776480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 337, 478, 674, 956, 1195, 1348, 1685, 1912, 2390, 2696, 3370, 3824, 4780, 5392, 6740, 7648, 9560, 10784, 13480, 19120, 26960, 38240, 53920, 80543, 161086, 322172, 402715, 644344, 805430, 1288688, 1610860, 2577376, 3221720, 6443440, 12886880]

約数ペア:

[(1, 12886880), (2, 6443440), (4, 3221720), (5, 2577376), (8, 1610860), (10, 1288688), (16, 805430), (20, 644344), (32, 402715), (40, 322172), (80, 161086), (160, 80543), (239, 53920), (337, 38240), (478, 26960), (674, 19120), (956, 13480), (1195, 10784), (1348, 9560), (1685, 7648), (1912, 6740), (2390, 5392), (2696, 4780), (3370, 3824)]