27136640

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 65637000

約数和(自身を除く): 38500360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 389, 436, 545, 640, 778, 872, 1090, 1556, 1744, 1945, 2180, 3112, 3488, 3890, 4360, 6224, 6976, 7780, 8720, 12448, 13952, 15560, 17440, 24896, 31120, 34880, 42401, 49792, 62240, 69760, 84802, 124480, 169604, 212005, 248960, 339208, 424010, 678416, 848020, 1356832, 1696040, 2713664, 3392080, 5427328, 6784160, 13568320, 27136640]

約数ペア:

[(1, 27136640), (2, 13568320), (4, 6784160), (5, 5427328), (8, 3392080), (10, 2713664), (16, 1696040), (20, 1356832), (32, 848020), (40, 678416), (64, 424010), (80, 339208), (109, 248960), (128, 212005), (160, 169604), (218, 124480), (320, 84802), (389, 69760), (436, 62240), (545, 49792), (640, 42401), (778, 34880), (872, 31120), (1090, 24896), (1556, 17440), (1744, 15560), (1945, 13952), (2180, 12448), (3112, 8720), (3488, 7780), (3890, 6976), (4360, 6224)]