4490620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1987}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 9518544

約数和(自身を除く): 5027924

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 1987, 2260, 3974, 7948, 9935, 19870, 39740, 224531, 449062, 898124, 1122655, 2245310, 4490620]

約数ペア:

[(1, 4490620), (2, 2245310), (4, 1122655), (5, 898124), (10, 449062), (20, 224531), (113, 39740), (226, 19870), (452, 9935), (565, 7948), (1130, 3974), (1987, 2260)]