2080781368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1\times {\mathrm{887}}^1$

素因数の和:1324

約数の個数: 64

約数和(自身を含む): 4235120640

約数和(自身を除く): 2154339272

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 367, 376, 734, 799, 887, 1468, 1598, 1774, 2936, 3196, 3548, 6239, 6392, 7096, 12478, 15079, 17249, 24956, 30158, 34498, 41689, 49912, 60316, 68996, 83378, 120632, 137992, 166756, 293233, 325529, 333512, 586466, 651058, 708713, 1172932, 1302116, 1417426, 2345864, 2604232, 2834852, 5533993, 5669704, 11067986, 15299863, 22135972, 30599726, 44271944, 61199452, 122398904, 260097671, 520195342, 1040390684, 2080781368]

約数ペア:

[(1, 2080781368), (2, 1040390684), (4, 520195342), (8, 260097671), (17, 122398904), (34, 61199452), (47, 44271944), (68, 30599726), (94, 22135972), (136, 15299863), (188, 11067986), (367, 5669704), (376, 5533993), (734, 2834852), (799, 2604232), (887, 2345864), (1468, 1417426), (1598, 1302116), (1774, 1172932), (2936, 708713), (3196, 651058), (3548, 586466), (6239, 333512), (6392, 325529), (7096, 293233), (12478, 166756), (15079, 137992), (17249, 120632), (24956, 83378), (30158, 68996), (34498, 60316), (41689, 49912)]