80674720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72031}}^1$

素因数の和:72053

約数の個数: 48

約数和(自身を含む): 217824768

約数和(自身を除く): 137150048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72031, 144062, 288124, 360155, 504217, 576248, 720310, 1008434, 1152496, 1440620, 2016868, 2304992, 2521085, 2881240, 4033736, 5042170, 5762480, 8067472, 10084340, 11524960, 16134944, 20168680, 40337360, 80674720]

約数ペア:

[(1, 80674720), (2, 40337360), (4, 20168680), (5, 16134944), (7, 11524960), (8, 10084340), (10, 8067472), (14, 5762480), (16, 5042170), (20, 4033736), (28, 2881240), (32, 2521085), (35, 2304992), (40, 2016868), (56, 1440620), (70, 1152496), (80, 1008434), (112, 720310), (140, 576248), (160, 504217), (224, 360155), (280, 288124), (560, 144062), (1120, 72031)]