4288820

素因数分解:

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

素因数の和:5039

約数の個数: 24

約数和(自身を含む): 9217824

約数和(自身を除く): 4929004

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 4987, 9974, 19948, 24935, 49870, 99740, 214441, 428882, 857764, 1072205, 2144410, 4288820]

約数ペア:

[(1, 4288820), (2, 2144410), (4, 1072205), (5, 857764), (10, 428882), (20, 214441), (43, 99740), (86, 49870), (172, 24935), (215, 19948), (430, 9974), (860, 4987)]