24921080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14489}}^1$

素因数の和:14543

約数の個数: 32

約数和(自身を含む): 57380400

約数和(自身を除く): 32459320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14489, 28978, 57956, 72445, 115912, 144890, 289780, 579560, 623027, 1246054, 2492108, 3115135, 4984216, 6230270, 12460540, 24921080]

約数ペア:

[(1, 24921080), (2, 12460540), (4, 6230270), (5, 4984216), (8, 3115135), (10, 2492108), (20, 1246054), (40, 623027), (43, 579560), (86, 289780), (172, 144890), (215, 115912), (344, 72445), (430, 57956), (860, 28978), (1720, 14489)]