1277960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 2946240

約数和(自身を除く): 1668280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 743, 860, 1486, 1720, 2972, 3715, 5944, 7430, 14860, 29720, 31949, 63898, 127796, 159745, 255592, 319490, 638980, 1277960]

約数ペア:

[(1, 1277960), (2, 638980), (4, 319490), (5, 255592), (8, 159745), (10, 127796), (20, 63898), (40, 31949), (43, 29720), (86, 14860), (172, 7430), (215, 5944), (344, 3715), (430, 2972), (743, 1720), (860, 1486)]