256120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 608400

約数和(自身を除く): 352280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 337, 380, 674, 760, 1348, 1685, 2696, 3370, 6403, 6740, 12806, 13480, 25612, 32015, 51224, 64030, 128060, 256120]

約数ペア:

[(1, 256120), (2, 128060), (4, 64030), (5, 51224), (8, 32015), (10, 25612), (19, 13480), (20, 12806), (38, 6740), (40, 6403), (76, 3370), (95, 2696), (152, 1685), (190, 1348), (337, 760), (380, 674)]