200050040

素因数分解:

$2^3\times 5^1\times {\mathrm{5001251}}^1$

素因数の和:5001262

約数の個数: 16

約数和(自身を含む): 450112680

約数和(自身を除く): 250062640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5001251, 10002502, 20005004, 25006255, 40010008, 50012510, 100025020, 200050040]

約数ペア:

[(1, 200050040), (2, 100025020), (4, 50012510), (5, 40010008), (8, 25006255), (10, 20005004), (20, 10002502), (40, 5001251)]