80666288

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{107269}}^1$

素因数の和:107324

約数の個数: 20

約数和(自身を含む): 159617760

約数和(自身を除く): 78951472

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 107269, 214538, 429076, 858152, 1716304, 5041643, 10083286, 20166572, 40333144, 80666288]

約数ペア:

[(1, 80666288), (2, 40333144), (4, 20166572), (8, 10083286), (16, 5041643), (47, 1716304), (94, 858152), (188, 429076), (376, 214538), (752, 107269)]