201615560

素因数分解:

$2^3\times 5^1\times {\mathrm{5040389}}^1$

素因数の和:5040400

約数の個数: 16

約数和(自身を含む): 453635100

約数和(自身を除く): 252019540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040389, 10080778, 20161556, 25201945, 40323112, 50403890, 100807780, 201615560]

約数ペア:

[(1, 201615560), (2, 100807780), (4, 50403890), (5, 40323112), (8, 25201945), (10, 20161556), (20, 10080778), (40, 5040389)]