4130780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2909}}^1$

素因数の和:2989

約数の個数: 24

約数和(自身を含む): 8799840

約数和(自身を除く): 4669060

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2909, 5818, 11636, 14545, 29090, 58180, 206539, 413078, 826156, 1032695, 2065390, 4130780]

約数ペア:

[(1, 4130780), (2, 2065390), (4, 1032695), (5, 826156), (10, 413078), (20, 206539), (71, 58180), (142, 29090), (284, 14545), (355, 11636), (710, 5818), (1420, 2909)]