2019947920

素因数分解:

$2^4\times 5^1\times {\mathrm{3301}}^1\times {\mathrm{7649}}^1$

素因数の和:10963

約数の個数: 40

約数和(自身を含む): 4698415800

約数和(自身を除く): 2678467880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3301, 6602, 7649, 13204, 15298, 16505, 26408, 30596, 33010, 38245, 52816, 61192, 66020, 76490, 122384, 132040, 152980, 264080, 305960, 611920, 25249349, 50498698, 100997396, 126246745, 201994792, 252493490, 403989584, 504986980, 1009973960, 2019947920]

約数ペア:

[(1, 2019947920), (2, 1009973960), (4, 504986980), (5, 403989584), (8, 252493490), (10, 201994792), (16, 126246745), (20, 100997396), (40, 50498698), (80, 25249349), (3301, 611920), (6602, 305960), (7649, 264080), (13204, 152980), (15298, 132040), (16505, 122384), (26408, 76490), (30596, 66020), (33010, 61192), (38245, 52816)]