200780680

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{18121}}^1$

素因数の和:18409

約数の個数: 32

約数和(自身を含む): 453412440

約数和(自身を除く): 252631760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 18121, 36242, 72484, 90605, 144968, 181210, 362420, 724840, 5019517, 10039034, 20078068, 25097585, 40156136, 50195170, 100390340, 200780680]

約数ペア:

[(1, 200780680), (2, 100390340), (4, 50195170), (5, 40156136), (8, 25097585), (10, 20078068), (20, 10039034), (40, 5019517), (277, 724840), (554, 362420), (1108, 181210), (1385, 144968), (2216, 90605), (2770, 72484), (5540, 36242), (11080, 18121)]