127806220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{48781}}^1$

素因数の和:48921

約数の個数: 24

約数和(自身を含む): 270447408

約数和(自身を除く): 142641188

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 48781, 97562, 195124, 243905, 487810, 975620, 6390311, 12780622, 25561244, 31951555, 63903110, 127806220]

約数ペア:

[(1, 127806220), (2, 63903110), (4, 31951555), (5, 25561244), (10, 12780622), (20, 6390311), (131, 975620), (262, 487810), (524, 243905), (655, 195124), (1310, 97562), (2620, 48781)]