266412820

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{63131}}^1$

素因数の和:63351

約数の個数: 24

約数和(自身を含む): 562127328

約数和(自身を除く): 295714508

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 63131, 126262, 252524, 315655, 631310, 1262620, 13320641, 26641282, 53282564, 66603205, 133206410, 266412820]

約数ペア:

[(1, 266412820), (2, 133206410), (4, 66603205), (5, 53282564), (10, 26641282), (20, 13320641), (211, 1262620), (422, 631310), (844, 315655), (1055, 252524), (2110, 126262), (4220, 63131)]