39981820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3779}}^1$

素因数の和:3834

約数の個数: 36

約数和(自身を含む): 87794280

約数和(自身を除く): 47812460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 3779, 5290, 7558, 10580, 15116, 18895, 37790, 75580, 86917, 173834, 347668, 434585, 869170, 1738340, 1999091, 3998182, 7996364, 9995455, 19990910, 39981820]

約数ペア:

[(1, 39981820), (2, 19990910), (4, 9995455), (5, 7996364), (10, 3998182), (20, 1999091), (23, 1738340), (46, 869170), (92, 434585), (115, 347668), (230, 173834), (460, 86917), (529, 75580), (1058, 37790), (2116, 18895), (2645, 15116), (3779, 10580), (5290, 7558)]