1009040

素因数分解:

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

素因数の和:12626

約数の個数: 20

約数和(自身を含む): 2346204

約数和(自身を除く): 1337164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12613, 25226, 50452, 63065, 100904, 126130, 201808, 252260, 504520, 1009040]

約数ペア:

[(1, 1009040), (2, 504520), (4, 252260), (5, 201808), (8, 126130), (10, 100904), (16, 63065), (20, 50452), (40, 25226), (80, 12613)]