12831040

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:515

約数の個数: 56

約数和(自身を含む): 30934152

約数和(自身を除く): 18103112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 397, 404, 505, 794, 808, 1010, 1588, 1616, 1985, 2020, 3176, 3232, 3970, 4040, 6352, 6464, 7940, 8080, 12704, 15880, 16160, 25408, 31760, 32320, 40097, 63520, 80194, 127040, 160388, 200485, 320776, 400970, 641552, 801940, 1283104, 1603880, 2566208, 3207760, 6415520, 12831040]

約数ペア:

[(1, 12831040), (2, 6415520), (4, 3207760), (5, 2566208), (8, 1603880), (10, 1283104), (16, 801940), (20, 641552), (32, 400970), (40, 320776), (64, 200485), (80, 160388), (101, 127040), (160, 80194), (202, 63520), (320, 40097), (397, 32320), (404, 31760), (505, 25408), (794, 16160), (808, 15880), (1010, 12704), (1588, 8080), (1616, 7940), (1985, 6464), (2020, 6352), (3176, 4040), (3232, 3970)]