104941520

素因数分解:

$2^4\times 5^1\times {\mathrm{1311769}}^1$

素因数の和:1311782

約数の個数: 20

約数和(自身を含む): 243989220

約数和(自身を除く): 139047700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1311769, 2623538, 5247076, 6558845, 10494152, 13117690, 20988304, 26235380, 52470760, 104941520]

約数ペア:

[(1, 104941520), (2, 52470760), (4, 26235380), (5, 20988304), (8, 13117690), (10, 10494152), (16, 6558845), (20, 5247076), (40, 2623538), (80, 1311769)]