128544620

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{23203}}^1$

素因数の和:23489

約数の個数: 24

約数和(自身を含む): 270929904

約数和(自身を除く): 142385284

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 23203, 46406, 92812, 116015, 232030, 464060, 6427231, 12854462, 25708924, 32136155, 64272310, 128544620]

約数ペア:

[(1, 128544620), (2, 64272310), (4, 32136155), (5, 25708924), (10, 12854462), (20, 6427231), (277, 464060), (554, 232030), (1108, 116015), (1385, 92812), (2770, 46406), (5540, 23203)]