80880085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 41047595

約数列:

[1, 5, 11, 13, 31, 41, 55, 65, 89, 143, 155, 205, 341, 403, 445, 451, 533, 715, 979, 1157, 1271, 1705, 2015, 2255, 2665, 2759, 3649, 4433, 4895, 5785, 5863, 6355, 12727, 13795, 13981, 16523, 18245, 22165, 29315, 30349, 35867, 40139, 47437, 63635, 69905, 82615, 113119, 151745, 179335, 181753, 200695, 237185, 394537, 521807, 565595, 908765, 1244309, 1470547, 1972685, 2609035, 6221545, 7352735, 16176017, 80880085]

約数ペア:

[(1, 80880085), (5, 16176017), (11, 7352735), (13, 6221545), (31, 2609035), (41, 1972685), (55, 1470547), (65, 1244309), (89, 908765), (143, 565595), (155, 521807), (205, 394537), (341, 237185), (403, 200695), (445, 181753), (451, 179335), (533, 151745), (715, 113119), (979, 82615), (1157, 69905), (1271, 63635), (1705, 47437), (2015, 40139), (2255, 35867), (2665, 30349), (2759, 29315), (3649, 22165), (4433, 18245), (4895, 16523), (5785, 13981), (5863, 13795), (6355, 12727)]