5266640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1531}}^1$

素因数の和:1587

約数の個数: 40

約数和(自身を含む): 12537888

約数和(自身を除く): 7271248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1531, 1720, 3062, 3440, 6124, 7655, 12248, 15310, 24496, 30620, 61240, 65833, 122480, 131666, 263332, 329165, 526664, 658330, 1053328, 1316660, 2633320, 5266640]

約数ペア:

[(1, 5266640), (2, 2633320), (4, 1316660), (5, 1053328), (8, 658330), (10, 526664), (16, 329165), (20, 263332), (40, 131666), (43, 122480), (80, 65833), (86, 61240), (172, 30620), (215, 24496), (344, 15310), (430, 12248), (688, 7655), (860, 6124), (1531, 3440), (1720, 3062)]