55690220

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{2137}}^1$

素因数の和:3449

約数の個数: 24

約数和(自身を含む): 117093984

約数和(自身を除く): 61403764

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2137, 2606, 4274, 5212, 6515, 8548, 10685, 13030, 21370, 26060, 42740, 2784511, 5569022, 11138044, 13922555, 27845110, 55690220]

約数ペア:

[(1, 55690220), (2, 27845110), (4, 13922555), (5, 11138044), (10, 5569022), (20, 2784511), (1303, 42740), (2137, 26060), (2606, 21370), (4274, 13030), (5212, 10685), (6515, 8548)]