7255040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 88

約数和(自身を含む): 18914280

約数和(自身を除く): 11659240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 109, 128, 130, 160, 208, 218, 256, 260, 320, 416, 436, 512, 520, 545, 640, 832, 872, 1024, 1040, 1090, 1280, 1417, 1664, 1744, 2080, 2180, 2560, 2834, 3328, 3488, 4160, 4360, 5120, 5668, 6656, 6976, 7085, 8320, 8720, 11336, 13312, 13952, 14170, 16640, 17440, 22672, 27904, 28340, 33280, 34880, 45344, 55808, 56680, 66560, 69760, 90688, 111616, 113360, 139520, 181376, 226720, 279040, 362752, 453440, 558080, 725504, 906880, 1451008, 1813760, 3627520, 7255040]

約数ペア:

[(1, 7255040), (2, 3627520), (4, 1813760), (5, 1451008), (8, 906880), (10, 725504), (13, 558080), (16, 453440), (20, 362752), (26, 279040), (32, 226720), (40, 181376), (52, 139520), (64, 113360), (65, 111616), (80, 90688), (104, 69760), (109, 66560), (128, 56680), (130, 55808), (160, 45344), (208, 34880), (218, 33280), (256, 28340), (260, 27904), (320, 22672), (416, 17440), (436, 16640), (512, 14170), (520, 13952), (545, 13312), (640, 11336), (832, 8720), (872, 8320), (1024, 7085), (1040, 6976), (1090, 6656), (1280, 5668), (1417, 5120), (1664, 4360), (1744, 4160), (2080, 3488), (2180, 3328), (2560, 2834)]