25226960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 64817280

約数和(自身を除く): 39590320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 263, 436, 440, 526, 545, 872, 880, 1052, 1090, 1199, 1315, 1744, 2104, 2180, 2398, 2630, 2893, 4208, 4360, 4796, 5260, 5786, 5995, 8720, 9592, 10520, 11572, 11990, 14465, 19184, 21040, 23144, 23980, 28667, 28930, 46288, 47960, 57334, 57860, 95920, 114668, 115720, 143335, 229336, 231440, 286670, 315337, 458672, 573340, 630674, 1146680, 1261348, 1576685, 2293360, 2522696, 3153370, 5045392, 6306740, 12613480, 25226960]

約数ペア:

[(1, 25226960), (2, 12613480), (4, 6306740), (5, 5045392), (8, 3153370), (10, 2522696), (11, 2293360), (16, 1576685), (20, 1261348), (22, 1146680), (40, 630674), (44, 573340), (55, 458672), (80, 315337), (88, 286670), (109, 231440), (110, 229336), (176, 143335), (218, 115720), (220, 114668), (263, 95920), (436, 57860), (440, 57334), (526, 47960), (545, 46288), (872, 28930), (880, 28667), (1052, 23980), (1090, 23144), (1199, 21040), (1315, 19184), (1744, 14465), (2104, 11990), (2180, 11572), (2398, 10520), (2630, 9592), (2893, 8720), (4208, 5995), (4360, 5786), (4796, 5260)]