2648960

素因数分解:

$2^7\times 5^1\times {\mathrm{4139}}^1$

素因数の和:4158

約数の個数: 32

約数和(自身を含む): 6334200

約数和(自身を除く): 3685240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4139, 8278, 16556, 20695, 33112, 41390, 66224, 82780, 132448, 165560, 264896, 331120, 529792, 662240, 1324480, 2648960]

約数ペア:

[(1, 2648960), (2, 1324480), (4, 662240), (5, 529792), (8, 331120), (10, 264896), (16, 165560), (20, 132448), (32, 82780), (40, 66224), (64, 41390), (80, 33112), (128, 20695), (160, 16556), (320, 8278), (640, 4139)]