163090280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{29761}}^1$

素因数の和:29909

約数の個数: 32

約数和(自身を含む): 369644040

約数和(自身を除く): 206553760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 29761, 59522, 119044, 148805, 238088, 297610, 595220, 1190440, 4077257, 8154514, 16309028, 20386285, 32618056, 40772570, 81545140, 163090280]

約数ペア:

[(1, 163090280), (2, 81545140), (4, 40772570), (5, 32618056), (8, 20386285), (10, 16309028), (20, 8154514), (40, 4077257), (137, 1190440), (274, 595220), (548, 297610), (685, 238088), (1096, 148805), (1370, 119044), (2740, 59522), (5480, 29761)]