4877920

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 11808720

約数和(自身を除く): 6930800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 709, 860, 1376, 1418, 1720, 2836, 3440, 3545, 5672, 6880, 7090, 11344, 14180, 22688, 28360, 30487, 56720, 60974, 113440, 121948, 152435, 243896, 304870, 487792, 609740, 975584, 1219480, 2438960, 4877920]

約数ペア:

[(1, 4877920), (2, 2438960), (4, 1219480), (5, 975584), (8, 609740), (10, 487792), (16, 304870), (20, 243896), (32, 152435), (40, 121948), (43, 113440), (80, 60974), (86, 56720), (160, 30487), (172, 28360), (215, 22688), (344, 14180), (430, 11344), (688, 7090), (709, 6880), (860, 5672), (1376, 3545), (1418, 3440), (1720, 2836)]