133138960

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8363}}^1$

素因数の和:8575

約数の個数: 40

約数和(自身を含む): 311140800

約数和(自身を除く): 178001840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 8363, 15920, 16726, 33452, 41815, 66904, 83630, 133808, 167260, 334520, 669040, 1664237, 3328474, 6656948, 8321185, 13313896, 16642370, 26627792, 33284740, 66569480, 133138960]

約数ペア:

[(1, 133138960), (2, 66569480), (4, 33284740), (5, 26627792), (8, 16642370), (10, 13313896), (16, 8321185), (20, 6656948), (40, 3328474), (80, 1664237), (199, 669040), (398, 334520), (796, 167260), (995, 133808), (1592, 83630), (1990, 66904), (3184, 41815), (3980, 33452), (7960, 16726), (8363, 15920)]