2019904100

素因数分解:

$2^2\times 5^2\times {\mathrm{20199041}}^1$

素因数の和:20199055

約数の個数: 18

約数和(自身を含む): 4383192114

約数和(自身を除く): 2363288014

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20199041, 40398082, 80796164, 100995205, 201990410, 403980820, 504976025, 1009952050, 2019904100]

約数ペア:

[(1, 2019904100), (2, 1009952050), (4, 504976025), (5, 403980820), (10, 201990410), (20, 100995205), (25, 80796164), (50, 40398082), (100, 20199041)]