87681280

素因数分解:

$2^8\times 5^1\times {\mathrm{68501}}^1$

素因数の和:68522

約数の個数: 36

約数和(自身を含む): 210027132

約数和(自身を除く): 122345852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 68501, 137002, 274004, 342505, 548008, 685010, 1096016, 1370020, 2192032, 2740040, 4384064, 5480080, 8768128, 10960160, 17536256, 21920320, 43840640, 87681280]

約数ペア:

[(1, 87681280), (2, 43840640), (4, 21920320), (5, 17536256), (8, 10960160), (10, 8768128), (16, 5480080), (20, 4384064), (32, 2740040), (40, 2192032), (64, 1370020), (80, 1096016), (128, 685010), (160, 548008), (256, 342505), (320, 274004), (640, 137002), (1280, 68501)]