31120420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15107}}^1$

素因数の和:15219

約数の個数: 24

約数和(自身を含む): 65991744

約数和(自身を除く): 34871324

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 15107, 30214, 60428, 75535, 151070, 302140, 1556021, 3112042, 6224084, 7780105, 15560210, 31120420]

約数ペア:

[(1, 31120420), (2, 15560210), (4, 7780105), (5, 6224084), (10, 3112042), (20, 1556021), (103, 302140), (206, 151070), (412, 75535), (515, 60428), (1030, 30214), (2060, 15107)]