16343440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4751}}^1$

素因数の和:4807

約数の個数: 40

約数和(自身を含む): 38890368

約数和(自身を除く): 22546928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4751, 9502, 19004, 23755, 38008, 47510, 76016, 95020, 190040, 204293, 380080, 408586, 817172, 1021465, 1634344, 2042930, 3268688, 4085860, 8171720, 16343440]

約数ペア:

[(1, 16343440), (2, 8171720), (4, 4085860), (5, 3268688), (8, 2042930), (10, 1634344), (16, 1021465), (20, 817172), (40, 408586), (43, 380080), (80, 204293), (86, 190040), (172, 95020), (215, 76016), (344, 47510), (430, 38008), (688, 23755), (860, 19004), (1720, 9502), (3440, 4751)]