25400

素因数分解:

$2^3\times 5^2\times {\mathrm{127}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 59520

約数和(自身を除く): 34120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 254, 508, 635, 1016, 1270, 2540, 3175, 5080, 6350, 12700, 25400]

約数ペア:

[(1, 25400), (2, 12700), (4, 6350), (5, 5080), (8, 3175), (10, 2540), (20, 1270), (25, 1016), (40, 635), (50, 508), (100, 254), (127, 200)]