7130780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3271}}^1$

素因数の和:3389

約数の個数: 24

約数和(自身を含む): 15116640

約数和(自身を除く): 7985860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 3271, 6542, 13084, 16355, 32710, 65420, 356539, 713078, 1426156, 1782695, 3565390, 7130780]

約数ペア:

[(1, 7130780), (2, 3565390), (4, 1782695), (5, 1426156), (10, 713078), (20, 356539), (109, 65420), (218, 32710), (436, 16355), (545, 13084), (1090, 6542), (2180, 3271)]