86961520

素因数分解:

$2^4\times 5^1\times {\mathrm{1087019}}^1$

素因数の和:1087032

約数の個数: 20

約数和(自身を含む): 202185720

約数和(自身を除く): 115224200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1087019, 2174038, 4348076, 5435095, 8696152, 10870190, 17392304, 21740380, 43480760, 86961520]

約数ペア:

[(1, 86961520), (2, 43480760), (4, 21740380), (5, 17392304), (8, 10870190), (10, 8696152), (16, 5435095), (20, 4348076), (40, 2174038), (80, 1087019)]