12985750

素因数分解:

$2^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 24560640

約数和(自身を除く): 11574890

約数列:

[1, 2, 5, 10, 25, 50, 125, 127, 250, 254, 409, 635, 818, 1270, 2045, 3175, 4090, 6350, 10225, 15875, 20450, 31750, 51125, 51943, 102250, 103886, 259715, 519430, 1298575, 2597150, 6492875, 12985750]

約数ペア:

[(1, 12985750), (2, 6492875), (5, 2597150), (10, 1298575), (25, 519430), (50, 259715), (125, 103886), (127, 102250), (250, 51943), (254, 51125), (409, 31750), (635, 20450), (818, 15875), (1270, 10225), (2045, 6350), (3175, 4090)]