105465980

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{4091}}^1$

素因数の和:5389

約数の個数: 24

約数和(自身を含む): 221704560

約数和(自身を除く): 116238580

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2578, 4091, 5156, 6445, 8182, 12890, 16364, 20455, 25780, 40910, 81820, 5273299, 10546598, 21093196, 26366495, 52732990, 105465980]

約数ペア:

[(1, 105465980), (2, 52732990), (4, 26366495), (5, 21093196), (10, 10546598), (20, 5273299), (1289, 81820), (2578, 40910), (4091, 25780), (5156, 20455), (6445, 16364), (8182, 12890)]