2027367620

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{158141}}^1$

素因数の和:158791

約数の個数: 24

約数和(自身を含む): 4264140888

約数和(自身を除く): 2236773268

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 158141, 316282, 632564, 790705, 1581410, 3162820, 101368381, 202736762, 405473524, 506841905, 1013683810, 2027367620]

約数ペア:

[(1, 2027367620), (2, 1013683810), (4, 506841905), (5, 405473524), (10, 202736762), (20, 101368381), (641, 3162820), (1282, 1581410), (2564, 790705), (3205, 632564), (6410, 316282), (12820, 158141)]