51887900

素因数分解:

$2^2\times 5^2\times {\mathrm{397}}^1\times {\mathrm{1307}}^1$

素因数の和:1718

約数の個数: 36

約数和(自身を含む): 112966728

約数和(自身を除く): 61078828

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 397, 794, 1307, 1588, 1985, 2614, 3970, 5228, 6535, 7940, 9925, 13070, 19850, 26140, 32675, 39700, 65350, 130700, 518879, 1037758, 2075516, 2594395, 5188790, 10377580, 12971975, 25943950, 51887900]

約数ペア:

[(1, 51887900), (2, 25943950), (4, 12971975), (5, 10377580), (10, 5188790), (20, 2594395), (25, 2075516), (50, 1037758), (100, 518879), (397, 130700), (794, 65350), (1307, 39700), (1588, 32675), (1985, 26140), (2614, 19850), (3970, 13070), (5228, 9925), (6535, 7940)]