77756480

素因数分解:

$2^6\times 5^1\times {\mathrm{242989}}^1$

素因数の和:243006

約数の個数: 28

約数和(自身を含む): 185158380

約数和(自身を除く): 107401900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 242989, 485978, 971956, 1214945, 1943912, 2429890, 3887824, 4859780, 7775648, 9719560, 15551296, 19439120, 38878240, 77756480]

約数ペア:

[(1, 77756480), (2, 38878240), (4, 19439120), (5, 15551296), (8, 9719560), (10, 7775648), (16, 4859780), (20, 3887824), (32, 2429890), (40, 1943912), (64, 1214945), (80, 971956), (160, 485978), (320, 242989)]