40639708

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3847}}^1$

素因数の和:4009

約数の個数: 24

約数和(自身を含む): 75420800

約数和(自身を除く): 34781092

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 2641, 3847, 5282, 7694, 10564, 15388, 73093, 146186, 292372, 534733, 1069466, 2138932, 10159927, 20319854, 40639708]

約数ペア:

[(1, 40639708), (2, 20319854), (4, 10159927), (19, 2138932), (38, 1069466), (76, 534733), (139, 292372), (278, 146186), (556, 73093), (2641, 15388), (3847, 10564), (5282, 7694)]