39890960

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4937}}^1$

素因数の和:5051

約数の個数: 40

約数和(自身を含む): 93683736

約数和(自身を除く): 53792776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 4937, 8080, 9874, 19748, 24685, 39496, 49370, 78992, 98740, 197480, 394960, 498637, 997274, 1994548, 2493185, 3989096, 4986370, 7978192, 9972740, 19945480, 39890960]

約数ペア:

[(1, 39890960), (2, 19945480), (4, 9972740), (5, 7978192), (8, 4986370), (10, 3989096), (16, 2493185), (20, 1994548), (40, 997274), (80, 498637), (101, 394960), (202, 197480), (404, 98740), (505, 78992), (808, 49370), (1010, 39496), (1616, 24685), (2020, 19748), (4040, 9874), (4937, 8080)]