138682960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{133349}}^1$

素因数の和:133375

約数の個数: 40

約数和(自身を含む): 347243400

約数和(自身を除く): 208560440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 133349, 266698, 533396, 666745, 1066792, 1333490, 1733537, 2133584, 2666980, 3467074, 5333960, 6934148, 8667685, 10667920, 13868296, 17335370, 27736592, 34670740, 69341480, 138682960]

約数ペア:

[(1, 138682960), (2, 69341480), (4, 34670740), (5, 27736592), (8, 17335370), (10, 13868296), (13, 10667920), (16, 8667685), (20, 6934148), (26, 5333960), (40, 3467074), (52, 2666980), (65, 2133584), (80, 1733537), (104, 1333490), (130, 1066792), (208, 666745), (260, 533396), (520, 266698), (1040, 133349)]