126780100

素因数分解:

$2^2\times 5^2\times {\mathrm{251}}^1\times {\mathrm{5051}}^1$

素因数の和:5316

約数の個数: 36

約数和(自身を含む): 276263568

約数和(自身を除く): 149483468

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 251, 502, 1004, 1255, 2510, 5020, 5051, 6275, 10102, 12550, 20204, 25100, 25255, 50510, 101020, 126275, 252550, 505100, 1267801, 2535602, 5071204, 6339005, 12678010, 25356020, 31695025, 63390050, 126780100]

約数ペア:

[(1, 126780100), (2, 63390050), (4, 31695025), (5, 25356020), (10, 12678010), (20, 6339005), (25, 5071204), (50, 2535602), (100, 1267801), (251, 505100), (502, 252550), (1004, 126275), (1255, 101020), (2510, 50510), (5020, 25255), (5051, 25100), (6275, 20204), (10102, 12550)]