85306960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56123}}^1$

素因数の和:56155

約数の個数: 40

約数和(自身を含む): 208781280

約数和(自身を除く): 123474320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 56123, 112246, 224492, 280615, 448984, 561230, 897968, 1066337, 1122460, 2132674, 2244920, 4265348, 4489840, 5331685, 8530696, 10663370, 17061392, 21326740, 42653480, 85306960]

約数ペア:

[(1, 85306960), (2, 42653480), (4, 21326740), (5, 17061392), (8, 10663370), (10, 8530696), (16, 5331685), (19, 4489840), (20, 4265348), (38, 2244920), (40, 2132674), (76, 1122460), (80, 1066337), (95, 897968), (152, 561230), (190, 448984), (304, 280615), (380, 224492), (760, 112246), (1520, 56123)]