7129480

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1301}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 16170840

約数和(自身を除く): 9041360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1301, 1370, 2602, 2740, 5204, 5480, 6505, 10408, 13010, 26020, 52040, 178237, 356474, 712948, 891185, 1425896, 1782370, 3564740, 7129480]

約数ペア:

[(1, 7129480), (2, 3564740), (4, 1782370), (5, 1425896), (8, 891185), (10, 712948), (20, 356474), (40, 178237), (137, 52040), (274, 26020), (548, 13010), (685, 10408), (1096, 6505), (1301, 5480), (1370, 5204), (2602, 2740)]