1999001540

素因数分解:

$2^2\times 5^1\times {\mathrm{7669}}^1\times {\mathrm{13033}}^1$

素因数の和:20711

約数の個数: 24

約数和(自身を含む): 4198772760

約数和(自身を除く): 2199771220

約数列:

[1, 2, 4, 5, 10, 20, 7669, 13033, 15338, 26066, 30676, 38345, 52132, 65165, 76690, 130330, 153380, 260660, 99950077, 199900154, 399800308, 499750385, 999500770, 1999001540]

約数ペア:

[(1, 1999001540), (2, 999500770), (4, 499750385), (5, 399800308), (10, 199900154), (20, 99950077), (7669, 260660), (13033, 153380), (15338, 130330), (26066, 76690), (30676, 65165), (38345, 52132)]