13138880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2197

約数の個数: 56

約数和(自身を含む): 32948880

約数和(自身を除く): 19810000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 2161, 3040, 4322, 6080, 8644, 10805, 17288, 21610, 34576, 41059, 43220, 69152, 82118, 86440, 138304, 164236, 172880, 205295, 328472, 345760, 410590, 656944, 691520, 821180, 1313888, 1642360, 2627776, 3284720, 6569440, 13138880]

約数ペア:

[(1, 13138880), (2, 6569440), (4, 3284720), (5, 2627776), (8, 1642360), (10, 1313888), (16, 821180), (19, 691520), (20, 656944), (32, 410590), (38, 345760), (40, 328472), (64, 205295), (76, 172880), (80, 164236), (95, 138304), (152, 86440), (160, 82118), (190, 69152), (304, 43220), (320, 41059), (380, 34576), (608, 21610), (760, 17288), (1216, 10805), (1520, 8644), (2161, 6080), (3040, 4322)]