1055137280

素因数分解:

$2^9\times 5^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1307

約数の個数: 80

約数和(自身を含む): 2537743824

約数和(自身を除く): 1482606544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 641, 643, 1280, 1282, 1286, 2560, 2564, 2572, 3205, 3215, 5128, 5144, 6410, 6430, 10256, 10288, 12820, 12860, 20512, 20576, 25640, 25720, 41024, 41152, 51280, 51440, 82048, 82304, 102560, 102880, 164096, 164608, 205120, 205760, 328192, 329216, 410240, 411520, 412163, 820480, 823040, 824326, 1640960, 1646080, 1648652, 2060815, 3297304, 4121630, 6594608, 8243260, 13189216, 16486520, 26378432, 32973040, 52756864, 65946080, 105513728, 131892160, 211027456, 263784320, 527568640, 1055137280]

約数ペア:

[(1, 1055137280), (2, 527568640), (4, 263784320), (5, 211027456), (8, 131892160), (10, 105513728), (16, 65946080), (20, 52756864), (32, 32973040), (40, 26378432), (64, 16486520), (80, 13189216), (128, 8243260), (160, 6594608), (256, 4121630), (320, 3297304), (512, 2060815), (640, 1648652), (641, 1646080), (643, 1640960), (1280, 824326), (1282, 823040), (1286, 820480), (2560, 412163), (2564, 411520), (2572, 410240), (3205, 329216), (3215, 328192), (5128, 205760), (5144, 205120), (6410, 164608), (6430, 164096), (10256, 102880), (10288, 102560), (12820, 82304), (12860, 82048), (20512, 51440), (20576, 51280), (25640, 41152), (25720, 41024)]