12487900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2657}}^1$

素因数の和:2718

約数の個数: 36

約数和(自身を含む): 27685728

約数和(自身を除く): 15197828

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 2657, 4700, 5314, 10628, 13285, 26570, 53140, 66425, 124879, 132850, 249758, 265700, 499516, 624395, 1248790, 2497580, 3121975, 6243950, 12487900]

約数ペア:

[(1, 12487900), (2, 6243950), (4, 3121975), (5, 2497580), (10, 1248790), (20, 624395), (25, 499516), (47, 265700), (50, 249758), (94, 132850), (100, 124879), (188, 66425), (235, 53140), (470, 26570), (940, 13285), (1175, 10628), (2350, 5314), (2657, 4700)]