20512125250

素因数分解:

$2^1\times 5^3\times {\mathrm{82048501}}^1$

素因数の和:82048518

約数の個数: 16

約数和(自身を含む): 38398698936

約数和(自身を除く): 17886573686

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 82048501, 164097002, 410242505, 820485010, 2051212525, 4102425050, 10256062625, 20512125250]

約数ペア:

[(1, 20512125250), (2, 10256062625), (5, 4102425050), (10, 2051212525), (25, 820485010), (50, 410242505), (125, 164097002), (250, 82048501)]