54991840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7993}}^1$

素因数の和:8051

約数の個数: 48

約数和(自身を含む): 132956208

約数和(自身を除く): 77964368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 7993, 15986, 31972, 39965, 63944, 79930, 127888, 159860, 255776, 319720, 343699, 639440, 687398, 1278880, 1374796, 1718495, 2749592, 3436990, 5499184, 6873980, 10998368, 13747960, 27495920, 54991840]

約数ペア:

[(1, 54991840), (2, 27495920), (4, 13747960), (5, 10998368), (8, 6873980), (10, 5499184), (16, 3436990), (20, 2749592), (32, 1718495), (40, 1374796), (43, 1278880), (80, 687398), (86, 639440), (160, 343699), (172, 319720), (215, 255776), (344, 159860), (430, 127888), (688, 79930), (860, 63944), (1376, 39965), (1720, 31972), (3440, 15986), (6880, 7993)]