455420620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{555391}}^1$

素因数の和:555441

約数の個数: 24

約数和(自身を含む): 979711488

約数和(自身を除く): 524290868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 555391, 1110782, 2221564, 2776955, 5553910, 11107820, 22771031, 45542062, 91084124, 113855155, 227710310, 455420620]

約数ペア:

[(1, 455420620), (2, 227710310), (4, 113855155), (5, 91084124), (10, 45542062), (20, 22771031), (41, 11107820), (82, 5553910), (164, 2776955), (205, 2221564), (410, 1110782), (820, 555391)]