13711840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2051

約数の個数: 48

約数和(自身を含む): 33164208

約数和(自身を除く): 19452368

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, 1993, 3440, 3986, 6880, 7972, 9965, 15944, 19930, 31888, 39860, 63776, 79720, 85699, 159440, 171398, 318880, 342796, 428495, 685592, 856990, 1371184, 1713980, 2742368, 3427960, 6855920, 13711840]

約数ペア:

[(1, 13711840), (2, 6855920), (4, 3427960), (5, 2742368), (8, 1713980), (10, 1371184), (16, 856990), (20, 685592), (32, 428495), (40, 342796), (43, 318880), (80, 171398), (86, 159440), (160, 85699), (172, 79720), (215, 63776), (344, 39860), (430, 31888), (688, 19930), (860, 15944), (1376, 9965), (1720, 7972), (1993, 6880), (3440, 3986)]