25354120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 64

約数和(自身を含む): 64411200

約数和(自身を除く): 39057080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 1987, 2552, 3190, 3974, 6380, 7948, 9935, 12760, 15896, 19870, 21857, 39740, 43714, 57623, 79480, 87428, 109285, 115246, 174856, 218570, 230492, 288115, 437140, 460984, 576230, 633853, 874280, 1152460, 1267706, 2304920, 2535412, 3169265, 5070824, 6338530, 12677060, 25354120]

約数ペア:

[(1, 25354120), (2, 12677060), (4, 6338530), (5, 5070824), (8, 3169265), (10, 2535412), (11, 2304920), (20, 1267706), (22, 1152460), (29, 874280), (40, 633853), (44, 576230), (55, 460984), (58, 437140), (88, 288115), (110, 230492), (116, 218570), (145, 174856), (220, 115246), (232, 109285), (290, 87428), (319, 79480), (440, 57623), (580, 43714), (638, 39740), (1160, 21857), (1276, 19870), (1595, 15896), (1987, 12760), (2552, 9935), (3190, 7948), (3974, 6380)]