39993080

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7193}}^1$

素因数の和:7343

約数の個数: 32

約数和(自身を含む): 90644400

約数和(自身を除く): 50651320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 7193, 14386, 28772, 35965, 57544, 71930, 143860, 287720, 999827, 1999654, 3999308, 4999135, 7998616, 9998270, 19996540, 39993080]

約数ペア:

[(1, 39993080), (2, 19996540), (4, 9998270), (5, 7998616), (8, 4999135), (10, 3999308), (20, 1999654), (40, 999827), (139, 287720), (278, 143860), (556, 71930), (695, 57544), (1112, 35965), (1390, 28772), (2780, 14386), (5560, 7193)]