67781020

素因数分解:

$2^2\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{2593}}^1$

素因数の和:3909

約数の個数: 24

約数和(自身を含む): 142503984

約数和(自身を除く): 74722964

約数列:

[1, 2, 4, 5, 10, 20, 1307, 2593, 2614, 5186, 5228, 6535, 10372, 12965, 13070, 25930, 26140, 51860, 3389051, 6778102, 13556204, 16945255, 33890510, 67781020]

約数ペア:

[(1, 67781020), (2, 33890510), (4, 16945255), (5, 13556204), (10, 6778102), (20, 3389051), (1307, 51860), (2593, 26140), (2614, 25930), (5186, 13070), (5228, 12965), (6535, 10372)]