2051298100

素因数分解:

$2^2\times 5^2\times {\mathrm{20512981}}^1$

素因数の和:20512995

約数の個数: 18

約数和(自身を含む): 4451317094

約数和(自身を除く): 2400018994

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20512981, 41025962, 82051924, 102564905, 205129810, 410259620, 512824525, 1025649050, 2051298100]

約数ペア:

[(1, 2051298100), (2, 1025649050), (4, 512824525), (5, 410259620), (10, 205129810), (20, 102564905), (25, 82051924), (50, 41025962), (100, 20512981)]