51252700

素因数分解:

$2^2\times 5^2\times {\mathrm{397}}^1\times {\mathrm{1291}}^1$

素因数の和:1702

約数の個数: 36

約数和(自身を含む): 111584872

約数和(自身を除く): 60332172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 397, 794, 1291, 1588, 1985, 2582, 3970, 5164, 6455, 7940, 9925, 12910, 19850, 25820, 32275, 39700, 64550, 129100, 512527, 1025054, 2050108, 2562635, 5125270, 10250540, 12813175, 25626350, 51252700]

約数ペア:

[(1, 51252700), (2, 25626350), (4, 12813175), (5, 10250540), (10, 5125270), (20, 2562635), (25, 2050108), (50, 1025054), (100, 512527), (397, 129100), (794, 64550), (1291, 39700), (1588, 32275), (1985, 25820), (2582, 19850), (3970, 12910), (5164, 9925), (6455, 7940)]