85880840

素因数分解:

$2^3\times 5^1\times {\mathrm{2147021}}^1$

素因数の和:2147032

約数の個数: 16

約数和(自身を含む): 193231980

約数和(自身を除く): 107351140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2147021, 4294042, 8588084, 10735105, 17176168, 21470210, 42940420, 85880840]

約数ペア:

[(1, 85880840), (2, 42940420), (4, 21470210), (5, 17176168), (8, 10735105), (10, 8588084), (20, 4294042), (40, 2147021)]