8577640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4987}}^1$

素因数の和:5041

約数の個数: 32

約数和(自身を含む): 19752480

約数和(自身を除く): 11174840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4987, 9974, 19948, 24935, 39896, 49870, 99740, 199480, 214441, 428882, 857764, 1072205, 1715528, 2144410, 4288820, 8577640]

約数ペア:

[(1, 8577640), (2, 4288820), (4, 2144410), (5, 1715528), (8, 1072205), (10, 857764), (20, 428882), (40, 214441), (43, 199480), (86, 99740), (172, 49870), (215, 39896), (344, 24935), (430, 19948), (860, 9974), (1720, 4987)]