20162681120

素因数分解:

$2^5\times 5^1\times {\mathrm{479}}^1\times {\mathrm{263083}}^1$

素因数の和:263577

約数の個数: 48

約数和(自身を含む): 47733960960

約数和(自身を除く): 27571279840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 479, 958, 1916, 2395, 3832, 4790, 7664, 9580, 15328, 19160, 38320, 76640, 263083, 526166, 1052332, 1315415, 2104664, 2630830, 4209328, 5261660, 8418656, 10523320, 21046640, 42093280, 126016757, 252033514, 504067028, 630083785, 1008134056, 1260167570, 2016268112, 2520335140, 4032536224, 5040670280, 10081340560, 20162681120]

約数ペア:

[(1, 20162681120), (2, 10081340560), (4, 5040670280), (5, 4032536224), (8, 2520335140), (10, 2016268112), (16, 1260167570), (20, 1008134056), (32, 630083785), (40, 504067028), (80, 252033514), (160, 126016757), (479, 42093280), (958, 21046640), (1916, 10523320), (2395, 8418656), (3832, 5261660), (4790, 4209328), (7664, 2630830), (9580, 2104664), (15328, 1315415), (19160, 1052332), (38320, 526166), (76640, 263083)]