201800920

素因数分解:

$2^3\times 5^1\times {\mathrm{5045023}}^1$

素因数の和:5045034

約数の個数: 16

約数和(自身を含む): 454052160

約数和(自身を除く): 252251240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5045023, 10090046, 20180092, 25225115, 40360184, 50450230, 100900460, 201800920]

約数ペア:

[(1, 201800920), (2, 100900460), (4, 50450230), (5, 40360184), (8, 25225115), (10, 20180092), (20, 10090046), (40, 5045023)]