39400120

素因数分解:

$2^3\times 5^1\times {\mathrm{985003}}^1$

素因数の和:985014

約数の個数: 16

約数和(自身を含む): 88650360

約数和(自身を除く): 49250240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 985003, 1970006, 3940012, 4925015, 7880024, 9850030, 19700060, 39400120]

約数ペア:

[(1, 39400120), (2, 19700060), (4, 9850030), (5, 7880024), (8, 4925015), (10, 3940012), (20, 1970006), (40, 985003)]