87137480

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15901}}^1$

素因数の和:16049

約数の個数: 32

約数和(自身を含む): 197502840

約数和(自身を除く): 110365360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 15901, 31802, 63604, 79505, 127208, 159010, 318020, 636040, 2178437, 4356874, 8713748, 10892185, 17427496, 21784370, 43568740, 87137480]

約数ペア:

[(1, 87137480), (2, 43568740), (4, 21784370), (5, 17427496), (8, 10892185), (10, 8713748), (20, 4356874), (40, 2178437), (137, 636040), (274, 318020), (548, 159010), (685, 127208), (1096, 79505), (1370, 63604), (2740, 31802), (5480, 15901)]