12278680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7487}}^1$

素因数の和:7539

約数の個数: 32

約数和(自身を含む): 28304640

約数和(自身を除く): 16025960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 7487, 14974, 29948, 37435, 59896, 74870, 149740, 299480, 306967, 613934, 1227868, 1534835, 2455736, 3069670, 6139340, 12278680]

約数ペア:

[(1, 12278680), (2, 6139340), (4, 3069670), (5, 2455736), (8, 1534835), (10, 1227868), (20, 613934), (40, 306967), (41, 299480), (82, 149740), (164, 74870), (205, 59896), (328, 37435), (410, 29948), (820, 14974), (1640, 7487)]