2017070960

素因数分解:

$2^4\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{12613}}^1$

素因数の和:14625

約数の個数: 40

約数和(自身を含む): 4692408000

約数和(自身を除く): 2675337040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1999, 3998, 7996, 9995, 12613, 15992, 19990, 25226, 31984, 39980, 50452, 63065, 79960, 100904, 126130, 159920, 201808, 252260, 504520, 1009040, 25213387, 50426774, 100853548, 126066935, 201707096, 252133870, 403414192, 504267740, 1008535480, 2017070960]

約数ペア:

[(1, 2017070960), (2, 1008535480), (4, 504267740), (5, 403414192), (8, 252133870), (10, 201707096), (16, 126066935), (20, 100853548), (40, 50426774), (80, 25213387), (1999, 1009040), (3998, 504520), (7996, 252260), (9995, 201808), (12613, 159920), (15992, 126130), (19990, 100904), (25226, 79960), (31984, 63065), (39980, 50452)]