82130780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{132469}}^1$

素因数の和:132509

約数の個数: 24

約数和(自身を含む): 178039680

約数和(自身を除く): 95908900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 132469, 264938, 529876, 662345, 1324690, 2649380, 4106539, 8213078, 16426156, 20532695, 41065390, 82130780]

約数ペア:

[(1, 82130780), (2, 41065390), (4, 20532695), (5, 16426156), (10, 8213078), (20, 4106539), (31, 2649380), (62, 1324690), (124, 662345), (155, 529876), (310, 264938), (620, 132469)]