38786560

素因数分解:

$2^9\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 80

約数和(自身を含む): 94525200

約数和(自身を除く): 55738640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 139, 160, 218, 256, 278, 320, 436, 512, 545, 556, 640, 695, 872, 1090, 1112, 1280, 1390, 1744, 2180, 2224, 2560, 2780, 3488, 4360, 4448, 5560, 6976, 8720, 8896, 11120, 13952, 15151, 17440, 17792, 22240, 27904, 30302, 34880, 35584, 44480, 55808, 60604, 69760, 71168, 75755, 88960, 121208, 139520, 151510, 177920, 242416, 279040, 303020, 355840, 484832, 606040, 969664, 1212080, 1939328, 2424160, 3878656, 4848320, 7757312, 9696640, 19393280, 38786560]

約数ペア:

[(1, 38786560), (2, 19393280), (4, 9696640), (5, 7757312), (8, 4848320), (10, 3878656), (16, 2424160), (20, 1939328), (32, 1212080), (40, 969664), (64, 606040), (80, 484832), (109, 355840), (128, 303020), (139, 279040), (160, 242416), (218, 177920), (256, 151510), (278, 139520), (320, 121208), (436, 88960), (512, 75755), (545, 71168), (556, 69760), (640, 60604), (695, 55808), (872, 44480), (1090, 35584), (1112, 34880), (1280, 30302), (1390, 27904), (1744, 22240), (2180, 17792), (2224, 17440), (2560, 15151), (2780, 13952), (3488, 11120), (4360, 8896), (4448, 8720), (5560, 6976)]