2647480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{547}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 6559560

約数和(自身を除く): 3912080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 547, 605, 968, 1094, 1210, 2188, 2420, 2735, 4376, 4840, 5470, 6017, 10940, 12034, 21880, 24068, 30085, 48136, 60170, 66187, 120340, 132374, 240680, 264748, 330935, 529496, 661870, 1323740, 2647480]

約数ペア:

[(1, 2647480), (2, 1323740), (4, 661870), (5, 529496), (8, 330935), (10, 264748), (11, 240680), (20, 132374), (22, 120340), (40, 66187), (44, 60170), (55, 48136), (88, 30085), (110, 24068), (121, 21880), (220, 12034), (242, 10940), (440, 6017), (484, 5470), (547, 4840), (605, 4376), (968, 2735), (1094, 2420), (1210, 2188)]