7852540

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1973}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 16581600

約数和(自身を除く): 8729060

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1973, 1990, 3946, 3980, 7892, 9865, 19730, 39460, 392627, 785254, 1570508, 1963135, 3926270, 7852540]

約数ペア:

[(1, 7852540), (2, 3926270), (4, 1963135), (5, 1570508), (10, 785254), (20, 392627), (199, 39460), (398, 19730), (796, 9865), (995, 7892), (1973, 3980), (1990, 3946)]