16768280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9749}}^1$

素因数の和:9803

約数の個数: 32

約数和(自身を含む): 38610000

約数和(自身を除く): 21841720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9749, 19498, 38996, 48745, 77992, 97490, 194980, 389960, 419207, 838414, 1676828, 2096035, 3353656, 4192070, 8384140, 16768280]

約数ペア:

[(1, 16768280), (2, 8384140), (4, 4192070), (5, 3353656), (8, 2096035), (10, 1676828), (20, 838414), (40, 419207), (43, 389960), (86, 194980), (172, 97490), (215, 77992), (344, 48745), (430, 38996), (860, 19498), (1720, 9749)]