1276125940

素因数分解:

$2^2\times 5^1\times {\mathrm{63806297}}^1$

素因数の和:63806306

約数の個数: 12

約数和(自身を含む): 2679864516

約数和(自身を除く): 1403738576

約数列:

[1, 2, 4, 5, 10, 20, 63806297, 127612594, 255225188, 319031485, 638062970, 1276125940]

約数ペア:

[(1, 1276125940), (2, 638062970), (4, 319031485), (5, 255225188), (10, 127612594), (20, 63806297)]