2502640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 6874560

約数和(自身を除く): 4371920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 109, 112, 140, 164, 205, 218, 280, 287, 328, 410, 436, 545, 560, 574, 656, 763, 820, 872, 1090, 1148, 1435, 1526, 1640, 1744, 2180, 2296, 2870, 3052, 3280, 3815, 4360, 4469, 4592, 5740, 6104, 7630, 8720, 8938, 11480, 12208, 15260, 17876, 22345, 22960, 30520, 31283, 35752, 44690, 61040, 62566, 71504, 89380, 125132, 156415, 178760, 250264, 312830, 357520, 500528, 625660, 1251320, 2502640]

約数ペア:

[(1, 2502640), (2, 1251320), (4, 625660), (5, 500528), (7, 357520), (8, 312830), (10, 250264), (14, 178760), (16, 156415), (20, 125132), (28, 89380), (35, 71504), (40, 62566), (41, 61040), (56, 44690), (70, 35752), (80, 31283), (82, 30520), (109, 22960), (112, 22345), (140, 17876), (164, 15260), (205, 12208), (218, 11480), (280, 8938), (287, 8720), (328, 7630), (410, 6104), (436, 5740), (545, 4592), (560, 4469), (574, 4360), (656, 3815), (763, 3280), (820, 3052), (872, 2870), (1090, 2296), (1148, 2180), (1435, 1744), (1526, 1640)]