2080397960

素因数分解:

$2^3\times 5^1\times {\mathrm{52009949}}^1$

素因数の和:52009960

約数の個数: 16

約数和(自身を含む): 4680895500

約数和(自身を除く): 2600497540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 52009949, 104019898, 208039796, 260049745, 416079592, 520099490, 1040198980, 2080397960]

約数ペア:

[(1, 2080397960), (2, 1040198980), (4, 520099490), (5, 416079592), (8, 260049745), (10, 208039796), (20, 104019898), (40, 52009949)]