51324160

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 124467336

約数和(自身を除く): 73143176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 397, 404, 505, 640, 794, 808, 1010, 1280, 1588, 1616, 1985, 2020, 3176, 3232, 3970, 4040, 6352, 6464, 7940, 8080, 12704, 12928, 15880, 16160, 25408, 25856, 31760, 32320, 40097, 50816, 63520, 64640, 80194, 101632, 127040, 129280, 160388, 200485, 254080, 320776, 400970, 508160, 641552, 801940, 1283104, 1603880, 2566208, 3207760, 5132416, 6415520, 10264832, 12831040, 25662080, 51324160]

約数ペア:

[(1, 51324160), (2, 25662080), (4, 12831040), (5, 10264832), (8, 6415520), (10, 5132416), (16, 3207760), (20, 2566208), (32, 1603880), (40, 1283104), (64, 801940), (80, 641552), (101, 508160), (128, 400970), (160, 320776), (202, 254080), (256, 200485), (320, 160388), (397, 129280), (404, 127040), (505, 101632), (640, 80194), (794, 64640), (808, 63520), (1010, 50816), (1280, 40097), (1588, 32320), (1616, 31760), (1985, 25856), (2020, 25408), (3176, 16160), (3232, 15880), (3970, 12928), (4040, 12704), (6352, 8080), (6464, 7940)]