77965760

素因数分解:

$2^6\times 5^1\times {\mathrm{243643}}^1$

素因数の和:243660

約数の個数: 28

約数和(自身を含む): 185656728

約数和(自身を除く): 107690968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243643, 487286, 974572, 1218215, 1949144, 2436430, 3898288, 4872860, 7796576, 9745720, 15593152, 19491440, 38982880, 77965760]

約数ペア:

[(1, 77965760), (2, 38982880), (4, 19491440), (5, 15593152), (8, 9745720), (10, 7796576), (16, 4872860), (20, 3898288), (32, 2436430), (40, 1949144), (64, 1218215), (80, 974572), (160, 487286), (320, 243643)]