12340420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 27377280

約数和(自身を除く): 15036860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 193, 230, 278, 386, 460, 556, 695, 772, 965, 1390, 1930, 2780, 3197, 3860, 4439, 6394, 8878, 12788, 15985, 17756, 22195, 26827, 31970, 44390, 53654, 63940, 88780, 107308, 134135, 268270, 536540, 617021, 1234042, 2468084, 3085105, 6170210, 12340420]

約数ペア:

[(1, 12340420), (2, 6170210), (4, 3085105), (5, 2468084), (10, 1234042), (20, 617021), (23, 536540), (46, 268270), (92, 134135), (115, 107308), (139, 88780), (193, 63940), (230, 53654), (278, 44390), (386, 31970), (460, 26827), (556, 22195), (695, 17756), (772, 15985), (965, 12788), (1390, 8878), (1930, 6394), (2780, 4439), (3197, 3860)]