12795980

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2549}}^1$

素因数の和:2809

約数の個数: 24

約数和(自身を含む): 26989200

約数和(自身を除く): 14193220

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 2549, 5020, 5098, 10196, 12745, 25490, 50980, 639799, 1279598, 2559196, 3198995, 6397990, 12795980]

約数ペア:

[(1, 12795980), (2, 6397990), (4, 3198995), (5, 2559196), (10, 1279598), (20, 639799), (251, 50980), (502, 25490), (1004, 12745), (1255, 10196), (2510, 5098), (2549, 5020)]