83440880

素因数分解:

$2^4\times 5^1\times {\mathrm{1043011}}^1$

素因数の和:1043024

約数の個数: 20

約数和(自身を含む): 194000232

約数和(自身を除く): 110559352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1043011, 2086022, 4172044, 5215055, 8344088, 10430110, 16688176, 20860220, 41720440, 83440880]

約数ペア:

[(1, 83440880), (2, 41720440), (4, 20860220), (5, 16688176), (8, 10430110), (10, 8344088), (16, 5215055), (20, 4172044), (40, 2086022), (80, 1043011)]