51287420

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{8353}}^1$

素因数の和:8669

約数の個数: 24

約数和(自身を含む): 108067344

約数和(自身を除く): 56779924

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 8353, 16706, 33412, 41765, 83530, 167060, 2564371, 5128742, 10257484, 12821855, 25643710, 51287420]

約数ペア:

[(1, 51287420), (2, 25643710), (4, 12821855), (5, 10257484), (10, 5128742), (20, 2564371), (307, 167060), (614, 83530), (1228, 41765), (1535, 33412), (3070, 16706), (6140, 8353)]