131390260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{285631}}^1$

素因数の和:285663

約数の個数: 24

約数和(自身を含む): 287917056

約数和(自身を除く): 156526796

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 285631, 571262, 1142524, 1428155, 2856310, 5712620, 6569513, 13139026, 26278052, 32847565, 65695130, 131390260]

約数ペア:

[(1, 131390260), (2, 65695130), (4, 32847565), (5, 26278052), (10, 13139026), (20, 6569513), (23, 5712620), (46, 2856310), (92, 1428155), (115, 1142524), (230, 571262), (460, 285631)]