51947440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15101}}^1$

素因数の和:15157

約数の個数: 40

約数和(自身を含む): 123594768

約数和(自身を除く): 71647328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 15101, 30202, 60404, 75505, 120808, 151010, 241616, 302020, 604040, 649343, 1208080, 1298686, 2597372, 3246715, 5194744, 6493430, 10389488, 12986860, 25973720, 51947440]

約数ペア:

[(1, 51947440), (2, 25973720), (4, 12986860), (5, 10389488), (8, 6493430), (10, 5194744), (16, 3246715), (20, 2597372), (40, 1298686), (43, 1208080), (80, 649343), (86, 604040), (172, 302020), (215, 241616), (344, 151010), (430, 120808), (688, 75505), (860, 60404), (1720, 30202), (3440, 15101)]