8518660

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3109}}^1$

素因数の和:3255

約数の個数: 24

約数和(自身を含む): 18025560

約数和(自身を除く): 9506900

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 3109, 6218, 12436, 15545, 31090, 62180, 425933, 851866, 1703732, 2129665, 4259330, 8518660]

約数ペア:

[(1, 8518660), (2, 4259330), (4, 2129665), (5, 1703732), (10, 851866), (20, 425933), (137, 62180), (274, 31090), (548, 15545), (685, 12436), (1370, 6218), (2740, 3109)]