55249840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16061}}^1$

素因数の和:16117

約数の個数: 40

約数和(自身を含む): 131451408

約数和(自身を除く): 76201568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16061, 32122, 64244, 80305, 128488, 160610, 256976, 321220, 642440, 690623, 1284880, 1381246, 2762492, 3453115, 5524984, 6906230, 11049968, 13812460, 27624920, 55249840]

約数ペア:

[(1, 55249840), (2, 27624920), (4, 13812460), (5, 11049968), (8, 6906230), (10, 5524984), (16, 3453115), (20, 2762492), (40, 1381246), (43, 1284880), (80, 690623), (86, 642440), (172, 321220), (215, 256976), (344, 160610), (430, 128488), (688, 80305), (860, 64244), (1720, 32122), (3440, 16061)]