1649530880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{161087}}^1$

素因数の和:161114

約数の個数: 48

約数和(自身を含む): 3957932160

約数和(自身を除く): 2308401280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 161087, 322174, 644348, 805435, 1288696, 1610870, 2577392, 3221740, 5154784, 6443480, 10309568, 12886960, 20619136, 25773920, 41238272, 51547840, 82476544, 103095680, 164953088, 206191360, 329906176, 412382720, 824765440, 1649530880]

約数ペア:

[(1, 1649530880), (2, 824765440), (4, 412382720), (5, 329906176), (8, 206191360), (10, 164953088), (16, 103095680), (20, 82476544), (32, 51547840), (40, 41238272), (64, 25773920), (80, 20619136), (128, 12886960), (160, 10309568), (256, 6443480), (320, 5154784), (512, 3221740), (640, 2577392), (1024, 1610870), (1280, 1288696), (2048, 805435), (2560, 644348), (5120, 322174), (10240, 161087)]