55205121040

素因数分解:

$2^4\times 5^1\times {\mathrm{690064013}}^1$

素因数の和:690064026

約数の個数: 20

約数和(自身を含む): 128351906604

約数和(自身を除く): 73146785564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 690064013, 1380128026, 2760256052, 3450320065, 5520512104, 6900640130, 11041024208, 13801280260, 27602560520, 55205121040]

約数ペア:

[(1, 55205121040), (2, 27602560520), (4, 13801280260), (5, 11041024208), (8, 6900640130), (10, 5520512104), (16, 3450320065), (20, 2760256052), (40, 1380128026), (80, 690064013)]