67723280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19687}}^1$

素因数の和:19743

約数の個数: 40

約数和(自身を含む): 161126592

約数和(自身を除く): 93403312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19687, 39374, 78748, 98435, 157496, 196870, 314992, 393740, 787480, 846541, 1574960, 1693082, 3386164, 4232705, 6772328, 8465410, 13544656, 16930820, 33861640, 67723280]

約数ペア:

[(1, 67723280), (2, 33861640), (4, 16930820), (5, 13544656), (8, 8465410), (10, 6772328), (16, 4232705), (20, 3386164), (40, 1693082), (43, 1574960), (80, 846541), (86, 787480), (172, 393740), (215, 314992), (344, 196870), (430, 157496), (688, 98435), (860, 78748), (1720, 39374), (3440, 19687)]