39915920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 102904128

約数和(自身を除く): 62988208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 335, 440, 536, 670, 677, 737, 880, 1072, 1340, 1354, 1474, 2680, 2708, 2948, 3385, 3685, 5360, 5416, 5896, 6770, 7370, 7447, 10832, 11792, 13540, 14740, 14894, 27080, 29480, 29788, 37235, 45359, 54160, 58960, 59576, 74470, 90718, 119152, 148940, 181436, 226795, 297880, 362872, 453590, 498949, 595760, 725744, 907180, 997898, 1814360, 1995796, 2494745, 3628720, 3991592, 4989490, 7983184, 9978980, 19957960, 39915920]

約数ペア:

[(1, 39915920), (2, 19957960), (4, 9978980), (5, 7983184), (8, 4989490), (10, 3991592), (11, 3628720), (16, 2494745), (20, 1995796), (22, 1814360), (40, 997898), (44, 907180), (55, 725744), (67, 595760), (80, 498949), (88, 453590), (110, 362872), (134, 297880), (176, 226795), (220, 181436), (268, 148940), (335, 119152), (440, 90718), (536, 74470), (670, 59576), (677, 58960), (737, 54160), (880, 45359), (1072, 37235), (1340, 29788), (1354, 29480), (1474, 27080), (2680, 14894), (2708, 14740), (2948, 13540), (3385, 11792), (3685, 10832), (5360, 7447), (5416, 7370), (5896, 6770)]