85071920

素因数分解:

$2^4\times 5^1\times {\mathrm{1063399}}^1$

素因数の和:1063412

約数の個数: 20

約数和(自身を含む): 197792400

約数和(自身を除く): 112720480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1063399, 2126798, 4253596, 5316995, 8507192, 10633990, 17014384, 21267980, 42535960, 85071920]

約数ペア:

[(1, 85071920), (2, 42535960), (4, 21267980), (5, 17014384), (8, 10633990), (10, 8507192), (16, 5316995), (20, 4253596), (40, 2126798), (80, 1063399)]