205767260

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{74017}}^1$

素因数の和:74165

約数の個数: 24

約数和(自身を含む): 435225840

約数和(自身を除く): 229458580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 74017, 148034, 296068, 370085, 740170, 1480340, 10288363, 20576726, 41153452, 51441815, 102883630, 205767260]

約数ペア:

[(1, 205767260), (2, 102883630), (4, 51441815), (5, 41153452), (10, 20576726), (20, 10288363), (139, 1480340), (278, 740170), (556, 370085), (695, 296068), (1390, 148034), (2780, 74017)]