2013109225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{1964009}}^1$

素因数の和:1964060

約数の個数: 12

約数和(自身を含む): 2557141020

約数和(自身を除く): 544031795

約数列:

[1, 5, 25, 41, 205, 1025, 1964009, 9820045, 49100225, 80524369, 402621845, 2013109225]

約数ペア:

[(1, 2013109225), (5, 402621845), (25, 80524369), (41, 49100225), (205, 9820045), (1025, 1964009)]