51320180

素因数分解:

$2^2\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{1663}}^1$

素因数の和:3215

約数の個数: 24

約数和(自身を含む): 107907072

約数和(自身を除く): 56586892

約数列:

[1, 2, 4, 5, 10, 20, 1543, 1663, 3086, 3326, 6172, 6652, 7715, 8315, 15430, 16630, 30860, 33260, 2566009, 5132018, 10264036, 12830045, 25660090, 51320180]

約数ペア:

[(1, 51320180), (2, 25660090), (4, 12830045), (5, 10264036), (10, 5132018), (20, 2566009), (1543, 33260), (1663, 30860), (3086, 16630), (3326, 15430), (6172, 8315), (6652, 7715)]