80690540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12263}}^1$

素因数の和:12326

約数の個数: 48

約数和(自身を含む): 197793792

約数和(自身を除く): 117103252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 12263, 24526, 49052, 61315, 85841, 122630, 171682, 245260, 343364, 429205, 576361, 858410, 1152722, 1716820, 2305444, 2881805, 4034527, 5763610, 8069054, 11527220, 16138108, 20172635, 40345270, 80690540]

約数ペア:

[(1, 80690540), (2, 40345270), (4, 20172635), (5, 16138108), (7, 11527220), (10, 8069054), (14, 5763610), (20, 4034527), (28, 2881805), (35, 2305444), (47, 1716820), (70, 1152722), (94, 858410), (140, 576361), (188, 429205), (235, 343364), (329, 245260), (470, 171682), (658, 122630), (940, 85841), (1316, 61315), (1645, 49052), (3290, 24526), (6580, 12263)]