129780250

素因数分解:

$2^1\times 5^3\times {\mathrm{519121}}^1$

素因数の和:519138

約数の個数: 16

約数和(自身を含む): 242949096

約数和(自身を除く): 113168846

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 519121, 1038242, 2595605, 5191210, 12978025, 25956050, 64890125, 129780250]

約数ペア:

[(1, 129780250), (2, 64890125), (5, 25956050), (10, 12978025), (25, 5191210), (50, 2595605), (125, 1038242), (250, 519121)]