25200784

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1009}}^1$

素因数の和:1247

約数の個数: 40

約数和(自身を含む): 56107520

約数和(自身を除く): 30906736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1009, 1561, 1784, 2018, 3122, 3568, 4036, 6244, 7063, 8072, 12488, 14126, 16144, 24976, 28252, 56504, 113008, 225007, 450014, 900028, 1575049, 1800056, 3150098, 3600112, 6300196, 12600392, 25200784]

約数ペア:

[(1, 25200784), (2, 12600392), (4, 6300196), (7, 3600112), (8, 3150098), (14, 1800056), (16, 1575049), (28, 900028), (56, 450014), (112, 225007), (223, 113008), (446, 56504), (892, 28252), (1009, 24976), (1561, 16144), (1784, 14126), (2018, 12488), (3122, 8072), (3568, 7063), (4036, 6244)]