40172320

素因数分解:

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

素因数の和:5897

約数の個数: 48

約数和(自身を含む): 97130880

約数和(自身を除く): 56958560

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, 5839, 6880, 11678, 23356, 29195, 46712, 58390, 93424, 116780, 186848, 233560, 251077, 467120, 502154, 934240, 1004308, 1255385, 2008616, 2510770, 4017232, 5021540, 8034464, 10043080, 20086160, 40172320]

約数ペア:

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