339435520

素因数分解:

$2^{13}\times 5^1\times {\mathrm{8287}}^1$

素因数の和:8318

約数の個数: 56

約数和(自身を含む): 814693824

約数和(自身を除く): 475258304

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, 4096, 5120, 8192, 8287, 10240, 16574, 20480, 33148, 40960, 41435, 66296, 82870, 132592, 165740, 265184, 331480, 530368, 662960, 1060736, 1325920, 2121472, 2651840, 4242944, 5303680, 8485888, 10607360, 16971776, 21214720, 33943552, 42429440, 67887104, 84858880, 169717760, 339435520]

約数ペア:

[(1, 339435520), (2, 169717760), (4, 84858880), (5, 67887104), (8, 42429440), (10, 33943552), (16, 21214720), (20, 16971776), (32, 10607360), (40, 8485888), (64, 5303680), (80, 4242944), (128, 2651840), (160, 2121472), (256, 1325920), (320, 1060736), (512, 662960), (640, 530368), (1024, 331480), (1280, 265184), (2048, 165740), (2560, 132592), (4096, 82870), (5120, 66296), (8192, 41435), (8287, 40960), (10240, 33148), (16574, 20480)]