55138040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32057}}^1$

素因数の和:32111

約数の個数: 32

約数和(自身を含む): 126949680

約数和(自身を除く): 71811640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 32057, 64114, 128228, 160285, 256456, 320570, 641140, 1282280, 1378451, 2756902, 5513804, 6892255, 11027608, 13784510, 27569020, 55138040]

約数ペア:

[(1, 55138040), (2, 27569020), (4, 13784510), (5, 11027608), (8, 6892255), (10, 5513804), (20, 2756902), (40, 1378451), (43, 1282280), (86, 641140), (172, 320570), (215, 256456), (344, 160285), (430, 128228), (860, 64114), (1720, 32057)]