5297920

素因数分解:

$2^8\times 5^1\times {\mathrm{4139}}^1$

素因数の和:4160

約数の個数: 36

約数和(自身を含む): 12693240

約数和(自身を除く): 7395320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 4139, 8278, 16556, 20695, 33112, 41390, 66224, 82780, 132448, 165560, 264896, 331120, 529792, 662240, 1059584, 1324480, 2648960, 5297920]

約数ペア:

[(1, 5297920), (2, 2648960), (4, 1324480), (5, 1059584), (8, 662240), (10, 529792), (16, 331120), (20, 264896), (32, 165560), (40, 132448), (64, 82780), (80, 66224), (128, 41390), (160, 33112), (256, 20695), (320, 16556), (640, 8278), (1280, 4139)]