51153280

素因数分解:

$2^7\times 5^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 123158880

約数和(自身を除く): 72005600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 257, 311, 320, 514, 622, 640, 1028, 1244, 1285, 1555, 2056, 2488, 2570, 3110, 4112, 4976, 5140, 6220, 8224, 9952, 10280, 12440, 16448, 19904, 20560, 24880, 32896, 39808, 41120, 49760, 79927, 82240, 99520, 159854, 164480, 199040, 319708, 399635, 639416, 799270, 1278832, 1598540, 2557664, 3197080, 5115328, 6394160, 10230656, 12788320, 25576640, 51153280]

約数ペア:

[(1, 51153280), (2, 25576640), (4, 12788320), (5, 10230656), (8, 6394160), (10, 5115328), (16, 3197080), (20, 2557664), (32, 1598540), (40, 1278832), (64, 799270), (80, 639416), (128, 399635), (160, 319708), (257, 199040), (311, 164480), (320, 159854), (514, 99520), (622, 82240), (640, 79927), (1028, 49760), (1244, 41120), (1285, 39808), (1555, 32896), (2056, 24880), (2488, 20560), (2570, 19904), (3110, 16448), (4112, 12440), (4976, 10280), (5140, 9952), (6220, 8224)]