80010520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105277}}^1$

素因数の和:105307

約数の個数: 32

約数和(自身を含む): 189500400

約数和(自身を除く): 109489880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 105277, 210554, 421108, 526385, 842216, 1052770, 2000263, 2105540, 4000526, 4211080, 8001052, 10001315, 16002104, 20002630, 40005260, 80010520]

約数ペア:

[(1, 80010520), (2, 40005260), (4, 20002630), (5, 16002104), (8, 10001315), (10, 8001052), (19, 4211080), (20, 4000526), (38, 2105540), (40, 2000263), (76, 1052770), (95, 842216), (152, 526385), (190, 421108), (380, 210554), (760, 105277)]