85601680

素因数分解:

$2^4\times 5^1\times {\mathrm{1070021}}^1$

素因数の和:1070034

約数の個数: 20

約数和(自身を含む): 199024092

約数和(自身を除く): 113422412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1070021, 2140042, 4280084, 5350105, 8560168, 10700210, 17120336, 21400420, 42800840, 85601680]

約数ペア:

[(1, 85601680), (2, 42800840), (4, 21400420), (5, 17120336), (8, 10700210), (10, 8560168), (16, 5350105), (20, 4280084), (40, 2140042), (80, 1070021)]