2080249910

素因数分解:

$2^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{104693}}^1$

素因数の和:106687

約数の個数: 16

約数和(自身を含む): 3746370096

約数和(自身を除く): 1666120186

約数列:

[1, 2, 5, 10, 1987, 3974, 9935, 19870, 104693, 209386, 523465, 1046930, 208024991, 416049982, 1040124955, 2080249910]

約数ペア:

[(1, 2080249910), (2, 1040124955), (5, 416049982), (10, 208024991), (1987, 1046930), (3974, 523465), (9935, 209386), (19870, 104693)]