25576640

素因数分解:

$2^6\times 5^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:585

約数の個数: 56

約数和(自身を含む): 61337952

約数和(自身を除く): 35761312

約数列:

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

約数ペア:

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