2005163900

素因数分解:

$2^2\times 5^2\times {\mathrm{20051639}}^1$

素因数の和:20051653

約数の個数: 18

約数和(自身を含む): 4351205880

約数和(自身を除く): 2346041980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20051639, 40103278, 80206556, 100258195, 200516390, 401032780, 501290975, 1002581950, 2005163900]

約数ペア:

[(1, 2005163900), (2, 1002581950), (4, 501290975), (5, 401032780), (10, 200516390), (20, 100258195), (25, 80206556), (50, 40103278), (100, 20051639)]