42871880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9833}}^1$

素因数の和:9953

約数の個数: 32

約数和(自身を含む): 97356600

約数和(自身を除く): 54484720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9833, 19666, 39332, 49165, 78664, 98330, 196660, 393320, 1071797, 2143594, 4287188, 5358985, 8574376, 10717970, 21435940, 42871880]

約数ペア:

[(1, 42871880), (2, 21435940), (4, 10717970), (5, 8574376), (8, 5358985), (10, 4287188), (20, 2143594), (40, 1071797), (109, 393320), (218, 196660), (436, 98330), (545, 78664), (872, 49165), (1090, 39332), (2180, 19666), (4360, 9833)]