77945720

素因数分解:

$2^3\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{1693}}^1$

素因数の和:2855

約数の個数: 32

約数和(自身を含む): 175633920

約数和(自身を除く): 97688200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1151, 1693, 2302, 3386, 4604, 5755, 6772, 8465, 9208, 11510, 13544, 16930, 23020, 33860, 46040, 67720, 1948643, 3897286, 7794572, 9743215, 15589144, 19486430, 38972860, 77945720]

約数ペア:

[(1, 77945720), (2, 38972860), (4, 19486430), (5, 15589144), (8, 9743215), (10, 7794572), (20, 3897286), (40, 1948643), (1151, 67720), (1693, 46040), (2302, 33860), (3386, 23020), (4604, 16930), (5755, 13544), (6772, 11510), (8465, 9208)]