4057660720

素因数分解:

$2^4\times 5^1\times {\mathrm{50720759}}^1$

素因数の和:50720772

約数の個数: 20

約数和(自身を含む): 9434061360

約数和(自身を除く): 5376400640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50720759, 101441518, 202883036, 253603795, 405766072, 507207590, 811532144, 1014415180, 2028830360, 4057660720]

約数ペア:

[(1, 4057660720), (2, 2028830360), (4, 1014415180), (5, 811532144), (8, 507207590), (10, 405766072), (16, 253603795), (20, 202883036), (40, 101441518), (80, 50720759)]