105865520

素因数分解:

$2^4\times 5^1\times {\mathrm{1323319}}^1$

素因数の和:1323332

約数の個数: 20

約数和(自身を含む): 246137520

約数和(自身を除く): 140272000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1323319, 2646638, 5293276, 6616595, 10586552, 13233190, 21173104, 26466380, 52932760, 105865520]

約数ペア:

[(1, 105865520), (2, 52932760), (4, 26466380), (5, 21173104), (8, 13233190), (10, 10586552), (16, 6616595), (20, 5293276), (40, 2646638), (80, 1323319)]