39920120

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5171}}^1$

素因数の和:5375

約数の個数: 32

約数和(自身を含む): 90303120

約数和(自身を除く): 50383000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 5171, 7720, 10342, 20684, 25855, 41368, 51710, 103420, 206840, 998003, 1996006, 3992012, 4990015, 7984024, 9980030, 19960060, 39920120]

約数ペア:

[(1, 39920120), (2, 19960060), (4, 9980030), (5, 7984024), (8, 4990015), (10, 3992012), (20, 1996006), (40, 998003), (193, 206840), (386, 103420), (772, 51710), (965, 41368), (1544, 25855), (1930, 20684), (3860, 10342), (5171, 7720)]