85040

素因数分解:

$2^4\times 5^1\times {\mathrm{1063}}^1$

素因数の和:1076

約数の個数: 20

約数和(自身を含む): 197904

約数和(自身を除く): 112864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1063, 2126, 4252, 5315, 8504, 10630, 17008, 21260, 42520, 85040]

約数ペア:

[(1, 85040), (2, 42520), (4, 21260), (5, 17008), (8, 10630), (10, 8504), (16, 5315), (20, 4252), (40, 2126), (80, 1063)]