201720440

素因数分解:

$2^3\times 5^1\times {\mathrm{5043011}}^1$

素因数の和:5043022

約数の個数: 16

約数和(自身を含む): 453871080

約数和(自身を除く): 252150640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5043011, 10086022, 20172044, 25215055, 40344088, 50430110, 100860220, 201720440]

約数ペア:

[(1, 201720440), (2, 100860220), (4, 50430110), (5, 40344088), (8, 25215055), (10, 20172044), (20, 10086022), (40, 5043011)]