54273280

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 131531400

約数和(自身を除く): 77258120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 389, 436, 545, 640, 778, 872, 1090, 1280, 1556, 1744, 1945, 2180, 3112, 3488, 3890, 4360, 6224, 6976, 7780, 8720, 12448, 13952, 15560, 17440, 24896, 27904, 31120, 34880, 42401, 49792, 62240, 69760, 84802, 99584, 124480, 139520, 169604, 212005, 248960, 339208, 424010, 497920, 678416, 848020, 1356832, 1696040, 2713664, 3392080, 5427328, 6784160, 10854656, 13568320, 27136640, 54273280]

約数ペア:

[(1, 54273280), (2, 27136640), (4, 13568320), (5, 10854656), (8, 6784160), (10, 5427328), (16, 3392080), (20, 2713664), (32, 1696040), (40, 1356832), (64, 848020), (80, 678416), (109, 497920), (128, 424010), (160, 339208), (218, 248960), (256, 212005), (320, 169604), (389, 139520), (436, 124480), (545, 99584), (640, 84802), (778, 69760), (872, 62240), (1090, 49792), (1280, 42401), (1556, 34880), (1744, 31120), (1945, 27904), (2180, 24896), (3112, 17440), (3488, 15560), (3890, 13952), (4360, 12448), (6224, 8720), (6976, 7780)]