201568280

素因数分解:

$2^3\times 5^1\times {\mathrm{5039207}}^1$

素因数の和:5039218

約数の個数: 16

約数和(自身を含む): 453528720

約数和(自身を除く): 251960440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5039207, 10078414, 20156828, 25196035, 40313656, 50392070, 100784140, 201568280]

約数ペア:

[(1, 201568280), (2, 100784140), (4, 50392070), (5, 40313656), (8, 25196035), (10, 20156828), (20, 10078414), (40, 5039207)]