25009712

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 60621120

約数和(自身を除く): 35611408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 89, 91, 104, 112, 178, 182, 193, 208, 356, 364, 386, 623, 712, 728, 772, 1157, 1246, 1351, 1424, 1456, 1544, 2314, 2492, 2509, 2702, 3088, 4628, 4984, 5018, 5404, 8099, 9256, 9968, 10036, 10808, 16198, 17177, 17563, 18512, 20072, 21616, 32396, 34354, 35126, 40144, 64792, 68708, 70252, 120239, 129584, 137416, 140504, 223301, 240478, 274832, 281008, 446602, 480956, 893204, 961912, 1563107, 1786408, 1923824, 3126214, 3572816, 6252428, 12504856, 25009712]

約数ペア:

[(1, 25009712), (2, 12504856), (4, 6252428), (7, 3572816), (8, 3126214), (13, 1923824), (14, 1786408), (16, 1563107), (26, 961912), (28, 893204), (52, 480956), (56, 446602), (89, 281008), (91, 274832), (104, 240478), (112, 223301), (178, 140504), (182, 137416), (193, 129584), (208, 120239), (356, 70252), (364, 68708), (386, 64792), (623, 40144), (712, 35126), (728, 34354), (772, 32396), (1157, 21616), (1246, 20072), (1351, 18512), (1424, 17563), (1456, 17177), (1544, 16198), (2314, 10808), (2492, 10036), (2509, 9968), (2702, 9256), (3088, 8099), (4628, 5404), (4984, 5018)]