16491520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{3221}}^1$

素因数の和:3246

約数の個数: 44

約数和(自身を含む): 39572604

約数和(自身を除く): 23081084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 3221, 5120, 6442, 12884, 16105, 25768, 32210, 51536, 64420, 103072, 128840, 206144, 257680, 412288, 515360, 824576, 1030720, 1649152, 2061440, 3298304, 4122880, 8245760, 16491520]

約数ペア:

[(1, 16491520), (2, 8245760), (4, 4122880), (5, 3298304), (8, 2061440), (10, 1649152), (16, 1030720), (20, 824576), (32, 515360), (40, 412288), (64, 257680), (80, 206144), (128, 128840), (160, 103072), (256, 64420), (320, 51536), (512, 32210), (640, 25768), (1024, 16105), (1280, 12884), (2560, 6442), (3221, 5120)]