12486440

素因数分解:

$2^3\times 5^1\times {\mathrm{312161}}^1$

素因数の和:312172

約数の個数: 16

約数和(自身を含む): 28094580

約数和(自身を除く): 15608140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 312161, 624322, 1248644, 1560805, 2497288, 3121610, 6243220, 12486440]

約数ペア:

[(1, 12486440), (2, 6243220), (4, 3121610), (5, 2497288), (8, 1560805), (10, 1248644), (20, 624322), (40, 312161)]