39343280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11437}}^1$

素因数の和:11493

約数の個数: 40

約数和(自身を含む): 93608592

約数和(自身を除く): 54265312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11437, 22874, 45748, 57185, 91496, 114370, 182992, 228740, 457480, 491791, 914960, 983582, 1967164, 2458955, 3934328, 4917910, 7868656, 9835820, 19671640, 39343280]

約数ペア:

[(1, 39343280), (2, 19671640), (4, 9835820), (5, 7868656), (8, 4917910), (10, 3934328), (16, 2458955), (20, 1967164), (40, 983582), (43, 914960), (80, 491791), (86, 457480), (172, 228740), (215, 182992), (344, 114370), (430, 91496), (688, 57185), (860, 45748), (1720, 22874), (3440, 11437)]