1298709920

素因数分解:

$2^5\times 5^1\times {\mathrm{887}}^1\times {\mathrm{9151}}^1$

素因数の和:10053

約数の個数: 48

約数和(自身を含む): 3071996928

約数和(自身を除く): 1773287008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 887, 1774, 3548, 4435, 7096, 8870, 9151, 14192, 17740, 18302, 28384, 35480, 36604, 45755, 70960, 73208, 91510, 141920, 146416, 183020, 292832, 366040, 732080, 1464160, 8116937, 16233874, 32467748, 40584685, 64935496, 81169370, 129870992, 162338740, 259741984, 324677480, 649354960, 1298709920]

約数ペア:

[(1, 1298709920), (2, 649354960), (4, 324677480), (5, 259741984), (8, 162338740), (10, 129870992), (16, 81169370), (20, 64935496), (32, 40584685), (40, 32467748), (80, 16233874), (160, 8116937), (887, 1464160), (1774, 732080), (3548, 366040), (4435, 292832), (7096, 183020), (8870, 146416), (9151, 141920), (14192, 91510), (17740, 73208), (18302, 70960), (28384, 45755), (35480, 36604)]