16542440

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1493}}^1$

素因数の和:1781

約数の個数: 32

約数和(自身を含む): 37379880

約数和(自身を除く): 20837440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 1493, 2216, 2770, 2986, 5540, 5972, 7465, 11080, 11944, 14930, 29860, 59720, 413561, 827122, 1654244, 2067805, 3308488, 4135610, 8271220, 16542440]

約数ペア:

[(1, 16542440), (2, 8271220), (4, 4135610), (5, 3308488), (8, 2067805), (10, 1654244), (20, 827122), (40, 413561), (277, 59720), (554, 29860), (1108, 14930), (1385, 11944), (1493, 11080), (2216, 7465), (2770, 5972), (2986, 5540)]