80780680

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{14741}}^1$

素因数の和:14889

約数の個数: 32

約数和(自身を含む): 183095640

約数和(自身を除く): 102314960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 14741, 29482, 58964, 73705, 117928, 147410, 294820, 589640, 2019517, 4039034, 8078068, 10097585, 16156136, 20195170, 40390340, 80780680]

約数ペア:

[(1, 80780680), (2, 40390340), (4, 20195170), (5, 16156136), (8, 10097585), (10, 8078068), (20, 4039034), (40, 2019517), (137, 589640), (274, 294820), (548, 147410), (685, 117928), (1096, 73705), (1370, 58964), (2740, 29482), (5480, 14741)]