2689840910

素因数分解:

$2^1\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{213649}}^1$

素因数の和:214915

約数の個数: 16

約数和(自身を含む): 4845582000

約数和(自身を除く): 2155741090

約数列:

[1, 2, 5, 10, 1259, 2518, 6295, 12590, 213649, 427298, 1068245, 2136490, 268984091, 537968182, 1344920455, 2689840910]

約数ペア:

[(1, 2689840910), (2, 1344920455), (5, 537968182), (10, 268984091), (1259, 2136490), (2518, 1068245), (6295, 427298), (12590, 213649)]