202040

素因数分解:

$2^3\times 5^1\times {\mathrm{5051}}^1$

素因数の和:5062

約数の個数: 16

約数和(自身を含む): 454680

約数和(自身を除く): 252640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5051, 10102, 20204, 25255, 40408, 50510, 101020, 202040]

約数ペア:

[(1, 202040), (2, 101020), (4, 50510), (5, 40408), (8, 25255), (10, 20204), (20, 10102), (40, 5051)]