820121270

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{195733}}^1$

素因数の和:196159

約数の個数: 16

約数和(自身を含む): 1479749040

約数和(自身を除く): 659627770

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 195733, 391466, 978665, 1957330, 82012127, 164024254, 410060635, 820121270]

約数ペア:

[(1, 820121270), (2, 410060635), (5, 164024254), (10, 82012127), (419, 1957330), (838, 978665), (2095, 391466), (4190, 195733)]