25468160

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 61920936

約数和(自身を除く): 36452776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 197, 202, 256, 320, 394, 404, 505, 640, 788, 808, 985, 1010, 1280, 1576, 1616, 1970, 2020, 3152, 3232, 3940, 4040, 6304, 6464, 7880, 8080, 12608, 12928, 15760, 16160, 19897, 25216, 25856, 31520, 32320, 39794, 50432, 63040, 64640, 79588, 99485, 126080, 129280, 159176, 198970, 252160, 318352, 397940, 636704, 795880, 1273408, 1591760, 2546816, 3183520, 5093632, 6367040, 12734080, 25468160]

約数ペア:

[(1, 25468160), (2, 12734080), (4, 6367040), (5, 5093632), (8, 3183520), (10, 2546816), (16, 1591760), (20, 1273408), (32, 795880), (40, 636704), (64, 397940), (80, 318352), (101, 252160), (128, 198970), (160, 159176), (197, 129280), (202, 126080), (256, 99485), (320, 79588), (394, 64640), (404, 63040), (505, 50432), (640, 39794), (788, 32320), (808, 31520), (985, 25856), (1010, 25216), (1280, 19897), (1576, 16160), (1616, 15760), (1970, 12928), (2020, 12608), (3152, 8080), (3232, 7880), (3940, 6464), (4040, 6304)]