26807920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7793}}^1$

素因数の和:7849

約数の個数: 40

約数和(自身を含む): 63786096

約数和(自身を除く): 36978176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 7793, 15586, 31172, 38965, 62344, 77930, 124688, 155860, 311720, 335099, 623440, 670198, 1340396, 1675495, 2680792, 3350990, 5361584, 6701980, 13403960, 26807920]

約数ペア:

[(1, 26807920), (2, 13403960), (4, 6701980), (5, 5361584), (8, 3350990), (10, 2680792), (16, 1675495), (20, 1340396), (40, 670198), (43, 623440), (80, 335099), (86, 311720), (172, 155860), (215, 124688), (344, 77930), (430, 62344), (688, 38965), (860, 31172), (1720, 15586), (3440, 7793)]