85881680

素因数分解:

$2^4\times 5^1\times {\mathrm{1073521}}^1$

素因数の和:1073534

約数の個数: 20

約数和(自身を含む): 199675092

約数和(自身を除く): 113793412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1073521, 2147042, 4294084, 5367605, 8588168, 10735210, 17176336, 21470420, 42940840, 85881680]

約数ペア:

[(1, 85881680), (2, 42940840), (4, 21470420), (5, 17176336), (8, 10735210), (10, 8588168), (16, 5367605), (20, 4294084), (40, 2147042), (80, 1073521)]