28260040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5563}}^1$

素因数の和:5701

約数の個数: 32

約数和(自身を含む): 64097280

約数和(自身を除く): 35837240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 5563, 11126, 22252, 27815, 44504, 55630, 111260, 222520, 706501, 1413002, 2826004, 3532505, 5652008, 7065010, 14130020, 28260040]

約数ペア:

[(1, 28260040), (2, 14130020), (4, 7065010), (5, 5652008), (8, 3532505), (10, 2826004), (20, 1413002), (40, 706501), (127, 222520), (254, 111260), (508, 55630), (635, 44504), (1016, 27815), (1270, 22252), (2540, 11126), (5080, 5563)]