8720144

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{1423}}^1$

素因数の和:1814

約数の個数: 20

約数和(自身を含む): 16951296

約数和(自身を除く): 8231152

約数列:

[1, 2, 4, 8, 16, 383, 766, 1423, 1532, 2846, 3064, 5692, 6128, 11384, 22768, 545009, 1090018, 2180036, 4360072, 8720144]

約数ペア:

[(1, 8720144), (2, 4360072), (4, 2180036), (8, 1090018), (16, 545009), (383, 22768), (766, 11384), (1423, 6128), (1532, 5692), (2846, 3064)]