28695020

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7283}}^1$

素因数の和:7489

約数の個数: 24

約数和(自身を含む): 60573744

約数和(自身を除く): 31878724

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 7283, 14566, 29132, 36415, 72830, 145660, 1434751, 2869502, 5739004, 7173755, 14347510, 28695020]

約数ペア:

[(1, 28695020), (2, 14347510), (4, 7173755), (5, 5739004), (10, 2869502), (20, 1434751), (197, 145660), (394, 72830), (788, 36415), (985, 29132), (1970, 14566), (3940, 7283)]