50689280

素因数分解:

$2^8\times 5^1\times {\mathrm{199}}^2$

素因数の和:419

約数の個数: 54

約数和(自身を含む): 122029866

約数和(自身を除く): 71340586

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 320, 398, 640, 796, 995, 1280, 1592, 1990, 3184, 3980, 6368, 7960, 12736, 15920, 25472, 31840, 39601, 50944, 63680, 79202, 127360, 158404, 198005, 254720, 316808, 396010, 633616, 792020, 1267232, 1584040, 2534464, 3168080, 5068928, 6336160, 10137856, 12672320, 25344640, 50689280]

約数ペア:

[(1, 50689280), (2, 25344640), (4, 12672320), (5, 10137856), (8, 6336160), (10, 5068928), (16, 3168080), (20, 2534464), (32, 1584040), (40, 1267232), (64, 792020), (80, 633616), (128, 396010), (160, 316808), (199, 254720), (256, 198005), (320, 158404), (398, 127360), (640, 79202), (796, 63680), (995, 50944), (1280, 39601), (1592, 31840), (1990, 25472), (3184, 15920), (3980, 12736), (6368, 7960)]