39418760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9041}}^1$

素因数の和:9161

約数の個数: 32

約数和(自身を含む): 89515800

約数和(自身を除く): 50097040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9041, 18082, 36164, 45205, 72328, 90410, 180820, 361640, 985469, 1970938, 3941876, 4927345, 7883752, 9854690, 19709380, 39418760]

約数ペア:

[(1, 39418760), (2, 19709380), (4, 9854690), (5, 7883752), (8, 4927345), (10, 3941876), (20, 1970938), (40, 985469), (109, 361640), (218, 180820), (436, 90410), (545, 72328), (872, 45205), (1090, 36164), (2180, 18082), (4360, 9041)]