12420910

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3559}}^1$

素因数の和:3915

約数の個数: 16

約数和(自身を含む): 22428000

約数和(自身を除く): 10007090

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 3559, 7118, 17795, 35590, 1242091, 2484182, 6210455, 12420910]

約数ペア:

[(1, 12420910), (2, 6210455), (5, 2484182), (10, 1242091), (349, 35590), (698, 17795), (1745, 7118), (3490, 3559)]