12477220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89123}}^1$

素因数の和:89139

約数の個数: 24

約数和(自身を含む): 29945664

約数和(自身を除く): 17468444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 89123, 178246, 356492, 445615, 623861, 891230, 1247722, 1782460, 2495444, 3119305, 6238610, 12477220]

約数ペア:

[(1, 12477220), (2, 6238610), (4, 3119305), (5, 2495444), (7, 1782460), (10, 1247722), (14, 891230), (20, 623861), (28, 445615), (35, 356492), (70, 178246), (140, 89123)]