2085201680

素因数分解:

$2^4\times 5^1\times {\mathrm{26065021}}^1$

素因数の和:26065034

約数の個数: 20

約数和(自身を含む): 4848094092

約数和(自身を除く): 2762892412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26065021, 52130042, 104260084, 130325105, 208520168, 260650210, 417040336, 521300420, 1042600840, 2085201680]

約数ペア:

[(1, 2085201680), (2, 1042600840), (4, 521300420), (5, 417040336), (8, 260650210), (10, 208520168), (16, 130325105), (20, 104260084), (40, 52130042), (80, 26065021)]