2648720

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 6233976

約数和(自身を除く): 3585256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 293, 452, 565, 586, 904, 1130, 1172, 1465, 1808, 2260, 2344, 2930, 4520, 4688, 5860, 9040, 11720, 23440, 33109, 66218, 132436, 165545, 264872, 331090, 529744, 662180, 1324360, 2648720]

約数ペア:

[(1, 2648720), (2, 1324360), (4, 662180), (5, 529744), (8, 331090), (10, 264872), (16, 165545), (20, 132436), (40, 66218), (80, 33109), (113, 23440), (226, 11720), (293, 9040), (452, 5860), (565, 4688), (586, 4520), (904, 2930), (1130, 2344), (1172, 2260), (1465, 1808)]