57907240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 134861760

約数和(自身を除く): 76954520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 131, 172, 215, 257, 262, 344, 430, 514, 524, 655, 860, 1028, 1048, 1285, 1310, 1720, 2056, 2570, 2620, 5140, 5240, 5633, 10280, 11051, 11266, 22102, 22532, 28165, 33667, 44204, 45064, 55255, 56330, 67334, 88408, 110510, 112660, 134668, 168335, 221020, 225320, 269336, 336670, 442040, 673340, 1346680, 1447681, 2895362, 5790724, 7238405, 11581448, 14476810, 28953620, 57907240]

約数ペア:

[(1, 57907240), (2, 28953620), (4, 14476810), (5, 11581448), (8, 7238405), (10, 5790724), (20, 2895362), (40, 1447681), (43, 1346680), (86, 673340), (131, 442040), (172, 336670), (215, 269336), (257, 225320), (262, 221020), (344, 168335), (430, 134668), (514, 112660), (524, 110510), (655, 88408), (860, 67334), (1028, 56330), (1048, 55255), (1285, 45064), (1310, 44204), (1720, 33667), (2056, 28165), (2570, 22532), (2620, 22102), (5140, 11266), (5240, 11051), (5633, 10280)]