127360

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 306000

約数和(自身を除く): 178640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 398, 640, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 12736, 15920, 25472, 31840, 63680, 127360]

約数ペア:

[(1, 127360), (2, 63680), (4, 31840), (5, 25472), (8, 15920), (10, 12736), (16, 7960), (20, 6368), (32, 3980), (40, 3184), (64, 1990), (80, 1592), (128, 995), (160, 796), (199, 640), (320, 398)]