131800

素因数分解:

$2^3\times 5^2\times {\mathrm{659}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 306900

約数和(自身を除く): 175100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 659, 1318, 2636, 3295, 5272, 6590, 13180, 16475, 26360, 32950, 65900, 131800]

約数ペア:

[(1, 131800), (2, 65900), (4, 32950), (5, 26360), (8, 16475), (10, 13180), (20, 6590), (25, 5272), (40, 3295), (50, 2636), (100, 1318), (200, 659)]