207800

素因数分解:

$2^3\times 5^2\times {\mathrm{1039}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 483600

約数和(自身を除く): 275800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1039, 2078, 4156, 5195, 8312, 10390, 20780, 25975, 41560, 51950, 103900, 207800]

約数ペア:

[(1, 207800), (2, 103900), (4, 51950), (5, 41560), (8, 25975), (10, 20780), (20, 10390), (25, 8312), (40, 5195), (50, 4156), (100, 2078), (200, 1039)]