39916940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{285121}}^1$

素因数の和:285137

約数の個数: 24

約数和(自身を含む): 95800992

約数和(自身を除く): 55884052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 285121, 570242, 1140484, 1425605, 1995847, 2851210, 3991694, 5702420, 7983388, 9979235, 19958470, 39916940]

約数ペア:

[(1, 39916940), (2, 19958470), (4, 9979235), (5, 7983388), (7, 5702420), (10, 3991694), (14, 2851210), (20, 1995847), (28, 1425605), (35, 1140484), (70, 570242), (140, 285121)]