164015480

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{14489}}^1$

素因数の和:14783

約数の個数: 32

約数和(自身を含む): 370364400

約数和(自身を除く): 206348920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 14489, 28978, 57956, 72445, 115912, 144890, 289780, 579560, 4100387, 8200774, 16401548, 20501935, 32803096, 41003870, 82007740, 164015480]

約数ペア:

[(1, 164015480), (2, 82007740), (4, 41003870), (5, 32803096), (8, 20501935), (10, 16401548), (20, 8200774), (40, 4100387), (283, 579560), (566, 289780), (1132, 144890), (1415, 115912), (2264, 72445), (2830, 57956), (5660, 28978), (11320, 14489)]