90616640

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1423}}^1$

素因数の和:1639

約数の個数: 56

約数和(自身を含む): 217017600

約数和(自身を除く): 126400960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1423, 1592, 1990, 2846, 3184, 3980, 5692, 6368, 7115, 7960, 11384, 12736, 14230, 15920, 22768, 28460, 31840, 45536, 56920, 63680, 91072, 113840, 227680, 283177, 455360, 566354, 1132708, 1415885, 2265416, 2831770, 4530832, 5663540, 9061664, 11327080, 18123328, 22654160, 45308320, 90616640]

約数ペア:

[(1, 90616640), (2, 45308320), (4, 22654160), (5, 18123328), (8, 11327080), (10, 9061664), (16, 5663540), (20, 4530832), (32, 2831770), (40, 2265416), (64, 1415885), (80, 1132708), (160, 566354), (199, 455360), (320, 283177), (398, 227680), (796, 113840), (995, 91072), (1423, 63680), (1592, 56920), (1990, 45536), (2846, 31840), (3184, 28460), (3980, 22768), (5692, 15920), (6368, 14230), (7115, 12736), (7960, 11384)]