80344640

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5839}}^1$

素因数の和:5899

約数の個数: 56

約数和(自身を含む): 195803520

約数和(自身を除く): 115458880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 5839, 6880, 11678, 13760, 23356, 29195, 46712, 58390, 93424, 116780, 186848, 233560, 251077, 373696, 467120, 502154, 934240, 1004308, 1255385, 1868480, 2008616, 2510770, 4017232, 5021540, 8034464, 10043080, 16068928, 20086160, 40172320, 80344640]

約数ペア:

[(1, 80344640), (2, 40172320), (4, 20086160), (5, 16068928), (8, 10043080), (10, 8034464), (16, 5021540), (20, 4017232), (32, 2510770), (40, 2008616), (43, 1868480), (64, 1255385), (80, 1004308), (86, 934240), (160, 502154), (172, 467120), (215, 373696), (320, 251077), (344, 233560), (430, 186848), (688, 116780), (860, 93424), (1376, 58390), (1720, 46712), (2752, 29195), (3440, 23356), (5839, 13760), (6880, 11678)]