27624920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16061}}^1$

素因数の和:16115

約数の個数: 32

約数和(自身を含む): 63605520

約数和(自身を除く): 35980600

約数列:

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

約数ペア:

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